First Lady Michelle Obama (3rd L) and Senate Majority Leader Harry Reid (D-Nev.) take part in an exercise activity with children at the Red Rock Canyon National Conservation Area near Las Vegas, Nevada June 1, 2010. Children from left are: Isabella Davis, 8, Paige Owens, 10, Kayla Salehian, 9, and Sydny Hansen, 10. Obama, Reid and Assistant Secretary for Policy, Management and Budget at the Department of the Interior, Rhea Suh (not in picture) kicked off "Let's Move Outside!" an initiative that promotes outdoor physical activity for children and families. [Xinhua/Reuters]