Gov. Rick Perry: The most enthusiasm about this election is not coming from labor unions, paid volunteers or even traditional political party organizations. It’s coming from the Tea Party . This grass-roots movement is made up of people from across the country who are sick and tired — some might say “ fed up” — of seeing Washington fail, time and time again, to address the very real problems facing our nation. This movement is drawing its energy from the very principles upon which our nation was founded: economic liberty, limited government and freedom. These principles, which do not seem to be shared by President Obama, must be restored to our national vocabulary if we are to restore America. Don’t think they’re going to play a major role in this election? You haven’t been paying attention. Tea Party candidates across the country have scored upset victories, including Ted Yoho in Florida, Richard Mourdock in Indiana, and, in my home state, Ted Cruz . All ran strong, well-organiz...