Sarah Palin revved up a crowd of about 2,000 at a tea party rally here, telling them just about everything they wanted to hear — except that she was getting into the presidential race. Instead, the Palin supporters who came from all over the U.S. wearing “Palin 2012” T-shirts and buttons got an intensely political speech from the former Alaska governor that scorched President Barack Obama and the “permanent political class” of both parties. She slung an attack at the Republican candidates who “raise mammoth amounts of cash,” saying, “we need to ask them, too: What, if anything, do their...