>> yeah. >> reporter: barry petersen, cbs news, sanderson, texas. >> he seems good.like he's ready to be a co-driver. maybe a little less chatter though. >>> coming up later on "cbs this morning," dr. holly phillips has more on the measles outbreak in more than a dozen states. i'm anne-marie green. this is the "cbs morning news." than a dozen states. i'm anne-marie green. this is the "cbs morning news." ♪ [ male announcer ] if you can clear a table [ sneezes ] without lifting a finger, you may be muddling through allergies. try zyrtec® for powerful allergy relief. and zyrtec® is different than claritin® because it starts working faster on the first day you take it. ♪ zyrtec®. muddle no more™. [ female announcer ] and now introducing children's zyrtec® dissolve tabs for full 24 hour allergy relief. has every amenity. booooriiiing!!!! ah, ah, ah. hit it, guys! ♪ ♪ it's got a bin for your chickens ♪ ♪ a computer from the future ♪ ♪ and some giant freaky room for eight ♪ ooh, yeah! ♪ but it ain't got no room for boring ♪ i'm spacing out on all this space, too! ♪ no, we a

and barry petersen on the need >> reporter: and speed is your...? >> drug of choice, i guess? captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening. this is our western edition. as the war in afghanistan winds down, violence against american civilians there is increasing. today, an afghan government security guard shot three americans to death at a christian charity hospital in kabul. another american was wounded. the dead include 57-year-old dr. jerry umanos, who was there to treat afghan children. we have more on this from charlie d'agata. >> reporter: the three americans were shot dead by one of the men that should have been protecting them. an afghan security guard turned his gun on the group at a hospital run by a u.s. christian charity. another american was wounded and the gunman is now in custody. among those killed, dr. jerry umanos, a pediatrician from chicago, who had been working at the hospital for nearly ten years. jan skitima was jerry's wife of 34 years. >> jerry always wanted to serve under-served populations. afg

and barry petersen on the need >> reporter: and speed is your...? >> drug of choice, i guess?oning sponsored by cbs this ie

as barry petersen reports, that response time is alarming victim advocates. >> reporter: police were. on monday night. >> domestic violence in progress. her husband has been smoking marijuana. they do keep a handgun in the house but it's not in anybody's possession. >> reporter: 44-year-old kristine kirk called 911. she said her husband, richard, was hallucinating, wanted her to shoot him, and was scaring her three kids. about 13 minutes later, with police still not on the scene, the situation apparently took an ominous turn. >> grabbed the gun and screamed? >> technically she's still on the line. we have an open line with her. >> reporter: by the time officers arrived, kristine kirk was on the ground, a gunshot wound to her head. >> we're going to need homicide. >> reporter: richard kirk, 47, was arrested and now faces first-degree murder charges. the according to court filings, he admitted to a police officer that he had killed his wife. domestic violence advocates say the system failed kristine kirk. >> survivors count on an immediate response, and what's so heartbreaking about th

a final decision still faces a long fight but as barry petersen shoes us pot users were in more of ae to celebrate all things pot. across town the more money minded came early and from all across america where the cannabis cup. >> chicago, illinois. >> shelby florida. >> walled island. >> cannabis cup, 2014. >> reporter: a mecca from pipes to plants to pots to cook marijuana food. >> cannabis cup is great way to show a huge group of people what a small company like us can do. >> reporter: a blast from the past tommy chong. >> man, i already got a dope. >> what's your job, man? rolling dope? >> yeah. at least it's steady work. >> amtd was in the movies that they used mann to mainstream america almost 40 years ago. >> it's almost like we're doing a movie called what if pot was legal in america. >> reporter: a marijuana magazine started the cannabis cup in amsterdam one of the only places in the world where cannabis was tolerated. it's since been staged in the u.s. including denver with 0,000 people this year twice what it was in year is past. the big boost, because of legal recreationa

barry petersen takes us across america in a road race in the southwest. >> i can see why you think this