U.S. Swimming Trials Night 4: Live updates, results, highlights from Omaha
Read full article: U.S. Swimming Trials Night 4: Live updates, results, highlights from OmahaKatie Ledecky attempts to pull off a grueling double on Night 4 at the U.S. Swimming Trials, while Caeleb Dressel and Nathan Adrian take the pool in the men's 100m semifinals.