Former U.S. Vice President Dick Cheney attended the opening ceremony of the George W. Bush Presidential Center in 2013. Photo: Alex Wong/Getty Images
"I asked him to join my ticket in 2000 after first enlisting him to help me find the best running mate. In our long discussions about the qualities a vice president should have — deep experience, mature judgment, character, loyalty — I realized that Dick Cheney was the one I needed. I'm still grateful that he was at my side for the eight years that followed."