Paul Begala: Ross Perot didn’t win, but he did change America

"I'm all ears!"With that self-deprecating one-liner in a debate against President George H.W. Bush and then-Arkansas Gov. Bill Clinton, Ross Perot defined his 1992 presidential bid.The line was candy for TV producers seeking a soundbite from the debate, and it not only winningly mocked Perot's rather large ears but also served as a signal to the country that he was listening to folks the elites had ignored.Perot, who died Tuesday at age 89, garnered nearly 1 in 5 votes in that election, despite