Former Joint Chiefs chair Mike Mullen: "Trump loyalists" installed in Pentagon lack experience
President Trump is threatening to veto billions of dollars in military spending unless Congress repeals legal protections for internet companies. Admiral Mike Mullen, who chaired the Joint Chiefs of Staff from 2007-2011, joins CBSN's "Red & Blue" host Elaine Quijano to discuss the impact a veto would have, and the challenges facing President-elect Joe Biden.