UP 10/31/15

GOP forum last big cattle-call before Iowa caucus

The GOP's growth and opportunity forum in Des Moines is the last big Republican cattle-call before the Iowa caucuses, but Donald Trump and Ben Carson won't attend. NBC's Kasie Hunt joins to discuss. Then, Democratic strategist Tara Dowdell, Bloomberg Politics' Sahil Kapur and former Bush-Cheney adviser Robert Traynham join to discuss. ... more Duration: {{video.duration.momentjs}}