Former NFL football player Herschel Walker, right, watches Kromrey Middle School of Middleton Wis. , Physical Education teacher  Mike Meeter, red shirt, lead a group of students from Francis C. Hammond Middle School in Alexandria, Va. , in the demonstration of the new Physical Education in America, Wednesday, March 4, 2009, on Capitol Hill in Washington. AP Photo logo AP Photo 8 months ago

Former NFL football player Herschel Walker, right, watches Kromrey Middle School of Middleton Wis. , Physical Education teacher Mike Meeter, red shirt, lead a group of students from Francis C. Hammond Middle School in Alexandria, Va. , in the demonstration of the new Physical Education in America, Wednesday, March 4, 2009, on Capitol Hill in Washington.