Newcomers pushing out veterans at US Olympic swim trials
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Michael Phelps dives at the start of a men's 200-meter butterfly semifinal at the U.S. Olympic swimming trials, Tuesday, June 28, 2016, in Omaha, Neb. (AP Photo/Mark J. Terrill)
Michael Phelps dives at the start of a men's 200-meter butterfly semifinal at the U.S. Olympic swimming trials, Tuesday, June 28, 2016, in Omaha, Neb. (AP Photo/Mark J. Terrill)