President Donald Trump and First Lady Melania lay stones and flowers at a memorial for victims of the massacre at Tree of Life synagogue in Squirrel Hill on Tuesday, Oct. 30, 2018. At right is Rabbi Jeffrey Myers, who survived the shooting event. Three days before the visit, on Saturday, Oct. 27, 2018, a gunman killed 11 people at the synagogue. (Steve Mellon/Post-Gazette)