a firefighter is working to save a driver who was ejected in a crash on the claire barton parkway. he may have discovered that the road was closed because of this. three cars crashed near the exit. in addition to the man who was ejected, two other people were hurt. they're all expected to survive. >>> i have started a new career recently. this is a fifth generation company which means a lot to me. >> that's one of many speakers in the video launching hillary clinton's campaign for president. and right now, clinton is on the road headed for iowa. clinton is clearly hoping to reintroduce herself to voters in that critical state, but the latest poll numbers there show it won't be easy. let's bring in nbc's tracie potts live on capitol hill with a look at how iowa voters can see clinton. good morning. >> reporter: good morning. her national numbers look good in our latest "wall street journal" and nbc poll. last week quinnipiac issued a poll that found her likability numbers, whether people trust her, whether they think she's honest 49-43 in iowa. she has some work to do there and that