pick one for arizona transplant crisis, two for being scott walker or three for mardi gras bead art. the winning story will air later this hour. so you ve been through it. how many times have you been told on a flight, shut off your electronic devices? and you notice that, you know, some passengers don t do it. it turns out probably they should. our cnn homeland security correspondent jeanne meserve has the results on a new study. you guys with me? all right. so stomp, clap, stomp, clap. reporter: southwest rapping flight attendant got passengers to perk up and listen. before we leave our advice is put away your electronics devices reporter: but on the average flight a lot of us tune out that safety instruction. please turn off and put away all electronic devices. reporter: now listen up. a new study cites 75 instances