Graduates cheer during the Washington Mathematics and Science Technology Public Charter High School commencement ceremony at Howard University in Washington, D.C., June 3, 2009. During her remarks to students Mrs. Obama said, “To all of you graduates, you are more than ready to assume the mantle of leadership and become the next generation of innovators and entrepreneurs, leaders and legends. So you know what, it's time to step up. Step up. It's time.” (Official White House Photo by Samantha Appleton)