by Clay TravisFiled under: International OlympicsCaleb Campbell, the 6-foot-1, 230-pound Army safety who the Detroit Lions selected in the seventh round of the 2008 NFL Draft, is currently training with the U.S. bobsled team in an effort to make the 2010 Winter Olympics team. It's quite the change of careers for Campbell, who had his NFL dream yanked out from under him at the last possible moment in July of 2008. The Army's decision to reverse course and require Campbell to report for...