Former Trump national security adviser John Bolton defends role in his administration and discusses whether Pres. Trump may become security threat after leaving office.Then, leading actress in “Big Sky” Katheryn Winnick reacts to co-star Kylie Bunbury accidentally revealing a show plot twist on “Good Morning America” and explains why she does her own stunts.In Hot Topics, the co-hosts react to Pres.-elect Biden’s transition of power officially beginning, first lady Melania Trump welcoming the White House Christmas tree, and more.