President Trump on Sunday criticized Fox News, accusing the network of "wasting airtime" over its coverage of South Bend, Ind., Mayor Pete Buttigieg and other Democratic 2020 contenders. "Hard to believe that @FoxNews is wasting airtime on Mayor Pete, as Chris Wallace likes to call him," he wrote, referring to Buttigieg and the Fox News host. Fox News is scheduled to host a town hall with Buttigieg on Sunday night. Trump: "They forgot the people who got them there. Chris Wallace said, 'I actually think, whether you like his opinions or not, that Mayor Pete has a lot of substance...fascinating...