own. it this is the guy who hasn't run for office in a dozen years. he was rusty and wasn't familiar with how negative the political environment is. he's finally kind of catching his groove. unfortunately, i think it's too late. trump defined jeb as a low energy candidate and it's just too late to turn that around. >> it stuck. peter, the last word. >> in a weird way this is becoming a side show. jeb is focusing his attention on donald trump. the real fight increasingly is between cruz and rubio. jeb has become a a side show at this point. >> thank you both. have a merry christmas. breaking news, u.s. troops are among those killed in a motorcycle suicide bomb attack in afghanistan. is this a sign that america's longest war is far from over? barbara starr will join us with the latest. . also disaster on the vegas strip. what we learned about the driver