January 16, 2015 9:45 pm Watch: Jimmy Fallon Once Heckled Brian Williams Jimmy Fallon and Steve Higgins once heckled Brian Williams in the street US & World Videos 2:56 Kelly Clarkson jokes Jim Gaffigan is the Brock Purdy of dads 1:41 Prince William shares brief update on Princess Catherine to well-wishers at UK visit 1:28 LAPD dismantles protester encampments at UCLA 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change