Norma Anderson, the lead plaintiff in the case that sought to bar Donald Trump from Colorado’s ballot over the Jan. 6, 2021, attack on the U.S. Capitol, recalls a shimmer of optimism after the U.S. Supreme Court heard arguments. At a Washington, D.C., airport, a person asked for her photo. So did another during a layover in Chicago, and so did a hostess at a restaurant near her Lakewood home.