process. why does iowa matter so much now? cnn politics report for public radio, clay masters. thank you for being here. >> thanks for having me. >> want to talk, trump, desantis, haley, all of them making a final pitch, as well. >> people are rewarded for going to 99 counties. ron desantis has done that. he has endorsements of the governor of iowa. that hasn't happened since bob dole. terry brandstad endorsed dole. ron desantis are playing by the rules that have rewarded candidates in the past. the trump factor, another factor this time around like it was eight years ago. now, we've seen him as president, impeached and all of the criminal charges. he's just looming over this really questioning the traditions of iowa caucus