What kind of leadership are you looking for in America's next president? We asked a panel of experts to share their insights about what it takes to succeed in the Oval Office.
Andy Card served as President Bush's chief of staff from 2001 to 2006. He previously served as Secretary of Transportation under President George H.W. Bush.
David McCullough is a historian and bestselling author who has twice won the Pulitzer Prize. His most recent book is "1776."
Leon Panetta served as President Clinton's chief of staff from 1994 to 1997. Today, he's the founder and director of the Leon & Sylvia Panetta Institute for Public Policy.