. >> reporter: that was barbara sine back in october, minutes before surgery at saint barnabas medicaln new jersey. >> scary! >> reporter: sine, a 53-year-old mother of two, works at a prep school, teaches spin classes on the side, is healthy as a horse. her operation was 100% elective. and yet, lifesaving. it was all due to a story on npr. >> i actually brought my husband in the car. i made him listen to that i podcast and therview. and i said, i have to do this. and... and i still to this day get very emotional. >> reporter: so that was youak >> on the "fomics" broadcast, so it feels good to be a part of this. ar reporter: turns out, ba sine, and those like her, are key players in a medical revolution, and economics nobel laureate alvin roth deserves much of the cred. as a market expert, he'd been puzzling over how to increase the number of kidney transplants. dialysis keeps patients alive while they wait, usually years, for a deceased donor kidney. or, if they're lucky, a kidney from a living donor who's a good biological match. and then, al roth says he heard about two spouses chat

and then, a month later, i was in saint barnabas... >> reporter: ...undergoing rigorous physical andloevaluation. he was cleared to donate, and gave a kidney in april. but, twhom? as the months passed... >> i was in a little bit of a funk. i was like, ahh, why am i a little bit sadder today? what am i missing? >> reporter: because it was a feeling of irresolution, or, not having been acknowle >> that's perfect. yeah, you hit the nail on the head. >> reporter: and you weren't getting anything back. >> and i didn't get anything back. >> reporter: meanwhile, the waing list for cadaver kidneys-- 2,500 people at saint barnabas alone, 100,000 or more nationwide-- keeps growing, growing faster than deceased donor organs come in. >> we'll do approximately 170 deceased donor kidney transplants, but we'll add 400 more candidates to that list. so we know that we're in a losing battle.as >> my hopeown here, and every day was darker and darker. f reporter: 39-year-old rosario davi was on dialys over a year. >> i could do 10% of what i used to do physically. mentallythat demon's on your ugoulder the

barnabas road, we have the left and right side blocked by an accident.t report was an overturned vehicle but just seems like a crash at this point, normal c sh. outer loop between 66th and little river turnpike right lane still getting by that work zone. that should clean out of the way pretty soon. southbound 270 is slow because of a work zone. allow extra time for that. in northwest, b ad branch we have video of this at andywine street. this is a tree dowoa the rd is shut down in northwest. again, broad branch shut down aa brywine. >> thank you. >>> 5:31 is your time. today will really be one for the history booksou could say. former special counsel robert mueller will testify before congress about his investigation into russian election meddling. >>'swe don't know what going to happen here, but a lot of people don't want to miss out on what he might say. that's why news 4 jstin finch is live with details on some watch parties that are being planned across the district. stin, some people are already lining up in certain spots here. what are you seeing?

barnabas road, lanes blocked on the left and right side. outer loop right side blocked by an accident ere. as we zoom in just a little bit, northbound third street tunnel befre new yorkavenue right side blocked by that accident. new issue here in virginia, 66th and 95 eastbound 66 crash on the left side. good morning, chuck. >>> good morning, melissa. looks like things are moving along smoother this morning than they did yesterday. that's always welcome news. weather forast also way mor pleasant weather for the next couple days. we earned a little break from he heat. so far in july alone, we had 17 days 90 or higher, 31 so far in the year and april, may, june and now july have all been warmer than average for the year now, 2019 inin washon is about 3 degree warmer than average t year date. right now we get to enjoy a couple days with temperatures will little below average. we'll take it. 69 in washington with a north wind averaging 12 miles per hour. a comfortable north to north westerly breeze today. the drier r also allowed for temperatur

how to stay cool during this heat wave senior attending physician of emergency medicine at saint barnabasl and dear friend of mine is here to talk to us about all the precautions that you can take. if if you do not have airconditioning, there are things can you do not all of us are blessed to have airconditioning. >> so true. many areas in the bronx don't have airconditioning. come down to lower floors in multiple dwelling buildings. using a lot of cool water. stay in shady areas. we have public libraries. cooling centers, malls, movie theaters, places where you can go to get airconditioning to at least beat the heat a little bit. >> julie: keep your lights off and shades down. >> computer equipment, any electrical appliances you have turn them off generate heat not necessary. keep the shades and blinds closed on the sunny portions of the apartment. and open them slightly on the areas that are shaded. so that you can get a little cool ventilation in and yet block a lot of the sun and heat. >> julie: what's interesting. we tell everybody to drink plenty of water but also what you eat. appa

barnabas, left lane blocked by a disabled vehicle there.rything getting b on the left side, about a twmile backup. >> thanks. >> we'll check your forecast next.. >>> good morning. i'm lauryn ricketts. temperatures, at 60s and 70s right now, on our way to the low 90s today. plenty of sunshine, but about a 30% chance of an isolated storm mainly west of d.c. low to mid 90s tomorrow, feeling close to 10 and a 40% chance of storms. we up it to 60% on afternoon and evening on fourth of july. hail, and even dangerous winds, d we'll keep chances of rain friday, saturday, and thsunday. e heat index will be 90 to 100 degrees. >> another local news update in about 20 minutes. >>> that is a l shirt you havein >> kd of puffed up. >> yeah, it's a puffy shirt. >> back now, 7:30 on a tuesday morning, july 2nd, 2019, with that classic moment from "seinfeld" tat was shot right here in studio 1a. this morning, 3 celebrating years at "seinfeld" and a look back at all the laughs and an iconic charaer joining us live. >> one of my favorites, yada, yada, yada. >>