quick pause on the political beat today. live pictures in iowa. we are waiting to see hillary clinton. she just spoke at a community college there, and she will now make herself available to members of the media and the key question i'm sure at least one reporter will ask is the fact that she cut her vacation short. she's now back out on the trailed with the potential of a vice president joe biden showing his hat in the ring for 2016. would there be any worry about her front-runner status for the democratic party so we'll watch for her and any comments on that. meantime, if you are just now joining us here, just absolute tragedy this morning in virginia unfolding on live tv, two young journalists' lives cut short covering stories in their own communities and the sheriff moment ago made the announcement that this gunman, vester flanagan, was his legal name, went by bryce williams on