Katie carries big load for Team USA

'Otherworldly' teen sensation Ledecky lone bright spot for struggling Americans

There are not enough superlatives to describe Katie Ledecky's freestyle dominance at the world swimming championships, and for superstar Michael Phelps no words at all to describe the struggles of the rest of the US team.

"Honestly, I really don't know what to say about what I've seen over there," said Phelps, the 18-time Olympic gold medalist who is watching the worlds in Kazan, Russia, from afar as part of the sanctions handed down in the wake of his DUI arrest in September.