People play golf at Mar-a-Lago on Thanksgiving Day while President Donald Trump speaks with members of the military on the phone nearby, in Palm Beach, Fla., Nov. 22, 2018. The 21-year-old man who was fatally shot on Sunday after entering Mar-a-Lago with a weapon was a recent high school graduate who started an artwork company last year that specialized in handmade drawings of golf courses. (Sarah Silbiger/New York Times) By SONIA A. RAO and CHRISTINA MORALES The 21-year-old man who was...