FILE - Katie Ledecky of the United States with her gold medal after winning the women's 1500-meters freestyle final at the 2020 Summer Olympics, on July 28, 2021, in Tokyo, Japan. The United States is strongly favored to win the most overall medals when the Paris Olympics open in a month. The big question is this: will the Americans also top the gold-medal tally in a close race with China? (AP Photo/Matthias Schrader, File)