Victory appears to have gone to Scott Brown's head and that's bad news for Washington, writes Eugene Robinson. The senator—who has already hinted at a 2012 presidential run—is calling himself a Scott Brown Republican and promising to chart his own course, but the last thing the Senate needs is yet another "political messiah come to deliver the nation from evil," Robinson writes in the Washington Post.
Brown—who sounds worryingly unreasonable on the issues of unemployment and federal spending—now has the opportunity for a Joe Lieberman-style hijack of any legislation he doesn't like the looks of, Robinson warns. He should realize that "naked self-interest" is even more corrosive than bitter partisanship, Robinson writes. "If everybody in town tries to sing 'My Way,' we get a serenade—but we don't get the solutions the country so urgently needs." (Read more Scott Brown stories.)