PBS Newshour: Why is it so hard for some Veterans to get care from the VA?

President Obama defended embattled Veterans Affairs Secretary Eric Shinseki Wednesday, but warned that someone will be held accountable for any revealed shortcomings amid allegations that 40 veterans died awaiting care. Gwen Ifill gets two views on the troubles inside the VA from former Defense Department official David McGinnis and Joseph Violante of Disabled American Veterans.