Chris Christie and Ron DeSantis take the gloves off in the NewsNation GOPdebate. DeSantis was asked if he thinks #Trump is "mentally fit” for office. He dodged and Christie relentlessly tried to get him to answer the yes or no question, "Is he fit?" DeSantis continued to dodge. » Subscribe to MSNBC: on.msnbc.com/SubscribeTomsnbc About: MSNBC is the premier destination for in-depth analysis of daily headlines, insightful political commentary and informed perspectives. Reaching more than 95 million households worldwide, MSNBC offers a full schedule of live news coverage, political opinions and award-winning documentary programming -- 24 hours a day, 7 days a week. Connect with MSNBC Online Visit msnbc.com: on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: on.msnbc.com/Instamsnbc #gopdebate #rond...