ABC News anchor David Muir exposed himself on Wednesday as a flaming narcissist who refused to let a national tragedy prevent him from showing off his toned bod on national television. Reporting live from Los Angeles amidst the smoldering wreckage of homes destroyed in a massive wildfire, Muir wore a bright yellow safety jacket over his signature tight black T-shirt. It would appear that Muir was unhappy with the baggy fit of the jacket, which also featured a slick ABC News logo over the front chest pocket...