Congress September 20, 2019 8:00 am Trump: ‘I Don't Know the Identity of the Whistleblower' President Donald Trump addressed reporting of a whistleblower’s complaint about a promise made to a foreign leader. US & World Videos 1:03 Daughter of Missouri state representative killed in Haiti 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 2:53 Breaking down the DOJ lawsuit against Ticketmaster and Live Nation 1:55 Airline ‘Bark Air' lands inaugural dog-friendly flight in LA