Donald Trump July 23, 2019 11:34 pm ‘Tonight': Trump Prepares for Mueller's Testimony In his monologue, Jimmy Fallon jokes about President Donald Trump preparing for Robert Mueller’s congressional testimony. US & World Videos 2:49 Lady Gaga teases her ‘authentic' version of Harley Quinn in ‘Joker' sequel 2:10 Cassie breaks silence after Sean ‘Diddy' Combs apologizes following 2016 assault video 10:25 Robert Downey Jr. roasts Chris Hemsworth in Walk Of Fame speech 5:43 Glen Powell and Ally Maki vs. Kelly Clarkson: Movie poster trivia 2:44 LA Fleet Week 2024 celebrates military members