Late Sen. Kennedy's daughter dies after workout

The children of the late Sen. Edward Kennedy, from left, Edward Jr., Rep. Patrick Kennedy, D-R.I., and Kara listen of President Barack Obama deliver a speech on healthcare to a joint session of Congress, Wednesday, Sept., 9, 2009, on Capitol Hill in Washington. (AP Photo/Charles Dharapak)

September 17, 2011 2:07:27 PM PDT
Six years after she was deemed cancer-free, Kara Kennedy accepted the Presidential Medal of Freedom on behalf of her father, just days before Sen. Edward Kennedy died while battling a brain tumor.