As disinformation and conspiracy theories proliferate online in algorithm-fueled chaos, artificial intelligence is making it even harder for us to tell fact from fiction. "Sunday Morning" senior contributor Ted Koppel examines the consequences of fake news on the election with Steven Brill, author of "The Death of Truth."
A huge mob of rowdy winter warriors descended on a Manhattan park on Monday afternoon — throwing snowballs in a chaotic scene and tormenting cops, according to authorities and witnesses....