Award-winning actress and honorary chair of the Avon Foundation Reese Witherspoon was a special guest at the sixth annual Avon Walk for Breast Cancer Washington, D.C., during which $8 million was raised for local, regional and national breast cancer organizations. Ms. Witherspoon joined 3,500 walkers—including nearly 300 breast cancer survivors—on their second day and participated in the closing ceremony. Ms. Witherspoon stopped at the lunch stop at the 10-mile mark and served lunch to the walk...