First lady Michelle Obama speaks at a White House youth leadership and mentoring event at Wayne State University in Detroit, Wednesday, May 26, 2010. First lady Michelle Obama runs an obstacle course at an event on the South Lawn of the White House, Tuesday, May 25, 2010, in Washington, to kick-off the South Lawn Series. The South Lawn Series are summer activities happening at the White House to promote physical activity and engage children from the DC community in support of Let's Move!