David Letterman makes ‘The Late Show’ return to standing ovation from fans and greetings from Stephen Colbert, Internet hails ex-host as 'GOAT'

Louisiana refinery fire mostly contained but residents worry about air quality

What is Charles Cullen doing now? Heather Pressdee's case draws comparisons to insulin murders by NJ nurse turned serial killer

Pennsylvania cops wrongfully deem Lil Uzi Vert a dog thief, ask people to 'be on the lookout' for rapper

Azerbaijan sends food, other aid to Nagorno-Karabakh after ending an offensive against Armenians

Actor Jonathan Majors in court for expected start of jury selection in New York assault trial

U.N. Libya mission says will assess electoral laws

Where are Robin Williams' children now? Actor's family lovingly remembers him on his 72nd birthday