Caption:WASHINGTON, DC - APRIL 11: U.S. President Barack Obama (L), walks with outgoing Health and Human Services Secretary Kathleen Sebelius (C) and Director of the White House Office of Management and Budget Sylvia Mathews Burwell (R) after an event in the Rose Garden at the White House, on April 11, 2014 in Washington, DC. President Obama announced that Burwell will replace Sebelius as HHS secretary.