kids like marah williams. >> marah was a born athlete. >> nice pitch! >> way to go, marah!>> by the time she was about 13 or 14, she could throw a pitch about 65 miles an hour. >> one pitching instructor that had her for a while named her "the rocket." everybody knew who marah williams was-- everyone. >> narrator: marah appeared to have the happiest of childhoods, full of privileges. ballet lessons. piano. a close-knit family. >> her early childhood was just ideal. we lived in a beautiful bedroom community in seattle. i had a great job. we were a very tight foursome, my husband and i and our two children. it was a great middle america life, very happy. >> narrator: her mother was a local news anchor. her father was a stay-at-home dad who doted on his girls. >> when did you learn to do that, marah? >> our children went to good schools. the neighborhood was safe. we never locked the door. marah was a very happy child. >> narrator: but by the time she reached middle school, marah was struggling. >> a lot of anxiety, a lot of depression. by this time, she'd been diagnosed with

marah, your thoughts on today? >> well, i think rubio has high expectations here. i think that he has been a master at managing expectations, at setting the bar very low so he could jump over it and then get a really big splash. he got a huge boost out of iowa coming in third. i think he has to come doo second here. i really do. i think donald trump has to win. i think we learned that his enthusiasm, people who line up for hours to see him don't necessarily go and vote for him. in iowa he needs aÑa ground game. evidence doesn't need a sophisticated one here as in a caucus state but he does have to get them to the polls. i think he has to place first here if he is going to continue. >> in fact, you mention that in iowa the monmouth poll out today said 24% of the people who supported trump initially decided to stay home on caucus night. and there you see the others. 16% for#+$úd carson, cruz 13%. these are people who stayed home. okay. steve, what about jeb bush and his -- he is out with a new ad against rubio, using santorum, unable to say one thing that rubio has d