EditorialMargie Nelson, a longtime Florida snowbird who is staying home this winter with the U.S./Canada land border closed, at home in Port Colborne, Ontario, Canada, Nov. 12, 2020. (Tara Walton/The New York Times)
EditorialMargie Nelson, a longtime Florida snowbird who is staying home this winter with the U.S./Canada land border closed, at home in Port Colborne, Ontario, Canada, Nov. 12, 2020. (Tara Walton/The New York Times)