Article continues below advertisementConan O'Brien is speaking out about the tragic deaths of Rob Reiner and his wife, Michele Singer Reiner.It was reported following their murders that the beloved Hollywood director got into a "very loud argument" with his troubled son Nick - who's been charged with his parents slayings - at O'Brien's Christmas party the night before."It's just so awful," the comedian told David Remnick in an interview for The New Yorker published on Friday, February 20.