justice antonin scalia's death, a battle is brewing between the republican-led senate and the white house. a vacancy on the court -- during an election year -- hasn't happened in decades. and those who want to be the next president are weighing in on whether president obama should even try to nominate scalia's successor. nbc's jennifer johnson has our report tonight.

notificatiti." justice scalia's conservative views often influenced the balance of e court...in many 5-4 decisions. (sot donald trump/ (r) presidential candidate :42-:46) already on screen in upper corner - nbc's meet the press "we lost one of the greats. i'd like to have the person tailored to be just like justice scalia." democrats say senate republicans need to act responsibly and vote on a nominee. (sot hillary clinton / (d) presidential candidate :51-1:06) "barack obama is president of the united states until january 20th, 2017. (pauses) that is a fact, my friends, whether the republicans like it or not." (sot senator bernie sanders / (d) presidential candidate 1:07-1:18) "apparently they believe that the constitution does not allow a democratic president to bring forth a nominee to replace justice scalia." democrats are also concerned the high court could be paralyzed with just 8 members. "with well over 300 days left in office...president obama says he has plenty of time to nominate scalia's successor and plenty of time for the senate to do its job...and approve a new justice. jennifer johnson, nbc news, washington." >> flags flew at half staff outside the supreme court building in honor of

the white house flag is also flying at half-staff, also in honor of the supreme court justice. the debate over insurance companies covering medical treatment for those with autism continues tonight. a bill in 20-10 gave iowa state employees insurance coverage for autism treatments but not for every family. now there's a push in the iowa house and senate for a new bill, that will provide coverage for more than 1 million iowa families affected by autism. ktiv's michelle schoening has the details. for the cobbs, they're living with the struggles of inadequate insurance coverage for their 15-year- old son noah, who suffers from autism. "it's hard to know there is help but we just can't get it," said tina cobbs. when noah was five, he was able to receive applied behavior analysis treatment. but noah has since aged out of a grant which paid for that treatment. "it's recommended by the surgeon general, the cdc, the american academy of pediatrics. what it that does is help he gain and acquire new skills and help in reduce self- injurious behavior," said josh cobbs, parent of child with autism. a proposos bill in the iowa

would require all insurance and treatment plan for those with autism under the age of 22. coverage through state insurance companies for autism treatment for 29-cents per member per month. a co-sponsor of the bill says it's all about providing equal coverage for ioio families. "expandidi to alloloeveryone that type of coverage it would just be a matter of fairness," said rep. dave dawson. cobbs says they aren't asking for advanced coverage, just adequate coverage. "people will continue to ask, well why do you do this? they won't cover them unless we do. they won't cover families like ours unless the state takes action to make sure it happens," said josh cobbs. in sioux city, four. forty-three states in the u.s. have passed sisiilar legislation. the bill has moved forward i the senate through the sub- committees. however, the house

some iowans are hoping for a ban on tanning... that's why some in the hawkeye state are crowding the state capitol this week to see changes in tanning salons. it's not a new proposal: banning state from using tanning beds has been an issue brought up year after year in the state legislature. but this year, the bill is gaining more ground than ever before, and iowans behind the cause are speaking out. risks from tanning incncde melanoma-- which is a type of skin cancer. "so basically, there's going to be around 100 of us going, and what we're trying to do is get a law passed to where no minors under the age of 18 can tan." - lawmakers say even reps from the tanning industry are for this bill because studies show less than two percent of their customers are younger than 18. hundreds of thousands of people gathered today as pope francis held what was expectct to

five-day trip to mexico, the pope held mass in the capital's crime-ridden suburb of ecatepec. at the huge outdoor service, pope francis told mexicans that there can be "no dialogue with the devil." the pope said that's because "he will always defeat us, and only the power of the word of god can defeat him." speaking out against the drug trade and associated violence is a central theme of the pope's five-day visit. we are closing out our president's day weekend on a bit of a quieter note. with the system that brought snow to some parts of siouxland departing, just clouds and warmer temperatures will be left behind. clouds will stayayhick for the rest of our valentine's day so it's a great day t tgo out to dinner and cuddle up with your loved ones. temperatures will be warmer than last night with most towns dropping towards that 20 degree mark. the sunshine will return for president's day

a 60-car crash o oindiana's intersrste-65 injured at least a dozen people this afternoon. according to local police... icy conditions and low visibility may have caused the pile-up... with drivers moving too quickly and following other vehicles too closely. 12-people were transported to local hospitals with minor injuries. one person who suffered a broken leg had to be cut out of their car. more than 30 cars were involved

accident on the departing, just clouds and warmer temperatures will be left behind. clouds will stay thick for the rest of our valentine's day so it's a great day to go out to dinner and cuddle up with your loved ones. temperatures will be warmer than last night with most towns opping towarrs that 0 degree mark. the sunshine will return for president's day with temperatures climbing into the upper 30s. we then set our sights on the next system that could bring some snow and/or a wintry mix to the area. the colder temperatures

weekend will begin to evade, letting warmer air move in. this is why we have that shot of seeing some of the precipitation start as some sleet and freezing rain. some minor accumulations will be possible as this storm moves into siouxland. that area of low pressure moves out early tuesday leaving behind partly cloudy conditions along with warmer tempratures. we then begin a warming trend through the rest of the work week, with the viewing areas first shot at 50 degrees in quite some time, arriving on friday. >>

details on how to keep your heart helthy and prevent a possible stroke. that story is

and cards to your valentine. and there were plenty of people out getting those last minute arraraments. bo men and women were at the gordon dr. hy-vee picking out gifts for their valentine. some searching for the perfect flower, while others were just simply trying to make their loved one feel special. "i came to get flowers for my mother-in-law. she is shut-in so she doesn't get to get out much so we thought we would do something nice for her," said polly bailey. "we always have a big party at my house fororalentine's day with my family--my mom makes really good lasagna," said colton newman. "i got her an assortment. she likes daises and roses, so why not," said sco brown. "her favorite color is mint green, so that's why i got these, and surprise her a little bit," said jasper certain.

federation, americans spend an average of 147-dollars on valentine's day. on this valentine's day it's important to remember our hearts, as in heart health. but, there's another related condition that can be even more debilitating than a heart attack. ktiv's sheila brummer shows us the push to prevent stroke in tonight's healthbeat 4.

that you eat., just a few 2:58 little things to make a big difference in your life." when it comes to stroke it's imptant for people to act f.a.s.t. the "f" means look for an uneven smile on someone's face. the "a" means check is one arm is weak. the "s" means listen for slurred speech. the "t" equals time. >> mercy medical centnt is also holding heart expo next sunday. it runs from 11 a.m. until 1 p.m at the heartenter on the 4th floor of the hospital. there's a free carotid mini-

they can learn cpr and get a jump start on protecting their hearts for life. for more information check out our website, ktiv.coco mark's in now with sports - and the hawkeyes looking to bounce back from their second conference loss. they had a pretty good chance to do it tonight. iowa, at home against minnesota. highlights from carver- hawkeye arena after the breakk plus, the musketeers try to break a 5-game losing streak.

falling to indiana. that loss put the hawkeyes in a three-way tie for the conference lead with the hoosiers and maryland - but iowa has already lost to both of those teams. iowa, back at home to face minnesota, who's 0-and-12 in league play. this one - big for the conference standings - more on that later. iowa had to focus on minnesota - just a one-point game late in the first half - jarrod uthoff - holy smokes - iowa up 6 at the

second half - peter jok heats up - from distance - 27 points for jok. but minnesota brought it tonight - nate mason - nice drive and reverse. then, gophers down 6 with under 4 to play - they feed jordan murphy for the dunk - this was just a two point game late. but the gophers went cold - the hawkeyes did not - jok on the three, then uthoff scores inside. it wasn't pretty - but iowa does win it at home, 75-to-71. this is why tonight's win was important - it puts iowa back atop the conference standings - all by themselvlv. maryland and indiaia both losos this weekend. both the terps and hoosiers would own tiebreakers over iowa by virtue of head-to-head victories - so a big win tonight. iowa is at penn state on wednesday. iowa state picked up an 85-to-7575 n over texas

monte morris tied a career high with 24 points - 19 of them coming in the second half. georges niang added 24 points - but one of the big stories was jameel mckay. mckay returned from a two game suspension and notched 8 points, 7 rebound and 4 blocks off the bench. it came at a good time - because iowa state had lost three of four before saturday's win. "for a while, this is the first time that, collectively, we were a real team tonight," said head coach steve prohm. "now, we've got to carry that forward." "i just feel like the last couple games, we didn't really have the will to win," said senior forward georges niang. "we were giving up late leads and stuff like that. we'll use that as motivation. we're just so passionate and we really wanted this win, and i think when you want it that bad, you're going to pull it out. we just need to play every game like that." "i missed it, said senior forward jameel mckay. "i missed playing with my teammates. i missed competing with my teammates. that was the biggest thing, and it just felt like it was a relief being out there again." ioww state is atatbaylor on tuesday.

michigan state. jessica shepard has had an amazing season - averaging over 20 points per ga - she gives the hususrs a 5-point lead there. then just before the half - shepard gets the bucket and the foul - becoming the first nebraska freshman to notch 500 points in a season. shepard had 26 points - and nebraska pulls the upset at home, 73-66. the last two weeks have not been kind to the musketeers. sioux city is on a 5-game losing streak, being outscored 20-to-5 in those games, and slipping to last place in the wesstern conference. the muskies were finishing up a three-game road trip this afternoon at waterloo. the blackhawks have lost 4 in a row. and the musketeers get on the board first - trey dodd with the wrister -- garrett metcalf gets a piece -- but not enough -- 1, nothing musketeers early -- black hawks -- meanwhile -- nothing doing -- garrett wait with a hard shot -- gets covered up -

3-2. 6 straight losses for the

tax season is in full swing. coming up monday morning on news 4 today, we'll give you some ti to make filing easier for u this year. and one boy had his chance to shine on the basketball court. we'll show you how he made the

e.t.'s grammy count down is on. >> this is a show that you want to see from the opening buzzer. >> how will taylor swift open the show? is there bad blood with kanye over this song? i feel like me and taylor might still have sex while i made the [ blele ] >> plus our lionel richie exclusive.

>> in is going to be her evening to shine. >> and we flashback to grammy's greatest moments ever. john >> also kris jenner on her son-in-law, lamar's near fatal drug overdose. what she's only telling us. walking in new york. >> this is a huge stepor him. >> then, the rumored girlfriend at new york's fashion week. >> what are your valentine's day plans? >> plus zoolander 2 takes over the runway. >> did her hubby just forget their wedding anniversary? >> are we supposed to celebrate? >> and what these plus-sized models told me about invading the pages of s.i.'s issue.