ROTTERDAM, Netherlands — Simone Biles still has a decision to make about Los Angeles 2028, but her potential teammates are not waiting around for an answer. The 29-year-old spent the final evening of the World Artistic Gymnastics Championships handing out medals rather than collecting them, as a new generation of American gymnasts finished top of the medal table and offered a glimpse of what the United States could look like at its home Olympics in two years. The Americans collected three golds,