TERRE HAUTE, Ind. — Barack Obama took his first direct swipe at Republican vice presidential nominee Sarah Palin on Saturday, criticizing her for supporting congressional earmarks before opposing them. “I know the governor of Alaska has been, you know, saying she is change,” Obama said at a town hall meeting here. “And that is great. She is a skillful politician. But when you [have] been taking all these earmarks when it is convenient and then suddenly you are the champion anti-earmark person. “That is not change, come on,” Obama continued. “I mean, words mean something. You can’t just make stuff...