A guy wearing a plaid shirt who made several animated facial expressions during a Trump rally in Montana on Thursday has been identified as Tyler Linfesty, a 17-year-old high school senior.Linfesty was positioned directly behind President Donald Trump and made several facial expressions as Trump spoke, before a staffer asked him to leave."I didn't really have a plan," Tyler told The Billings Gazette. "I was just going to clap for things I agreed with and not clap for things I didn't agree with."Tyler reportedly managed to have his picture taken with Trump while wearing a Democratic Socialists of America...