Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

DES MOINES, IA - JANUARY 24: New Jersey Governor Chris Christie speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses. (Photo by Scott Olson/Getty Images)
DES MOINES, IA - JANUARY 24: New Jersey Governor Chris Christie speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses. (Photo by Scott Olson/Getty Images)

    JUST WATCHED

    Chris Christie courts Iowa voters

MUST WATCH

Chris Christie courts Iowa voters

John King, Nia-Malika Henderson and Ed O'Keefe discuss the New Jersey governor's visit to Iowa and his comments about Ronald Reagan.

Chris Christie courts Iowa voters

John King, Nia-Malika Henderson and Ed O'Keefe discuss the New Jersey governor's visit to Iowa and his comments about Ronald Reagan.