Obama sheds tears while talking about his grandmother Madelyn Dunham, who passed away just before he won the 2008 election. Emmanuel Dunand /AFP/Getty Images hide caption

itoggle caption Emmanuel Dunand /AFP/Getty Images

Texas Gov. Rick Perry addressed the Veterans of Foreign Wars 112th National Conference on Aug. 29. He'll participate in his first presidential debate this week. Eric Gay/AP hide caption

itoggle caption Eric Gay/AP