PowerBar today announces the launch of a new national advertising campaign featuring six-time Olympic gold medalist and twenty-time World Champion Michael Phelps. Carrying the tagline Power To Push, the campaign is designed to offer a window into an athlete's mind as they battle both physical and emotional barriers to reach their goals. Author: otspvideos Keywords: michael phelps olympics olympic gold medalist beijing swimming swim champion sports games pool Added: April 4, 2008