Elizabeth Beisel still has 2 more years to swim at the University of Florida, but only a few more days before she finds out whether she'll represent an even bigger nation than Gator nation. Beisel will be competing at the US Swim Trials in Omaha on Monday in the 400 IM, and Beisel, the reigning world champion in that event, says she can't allow doubts to creep in at this late stage.