BOISE, Idaho (Reuters) - Democrat Howard Dean, the outsider whose presidential campaign has suddenly caught fire, said on Sunday the only way his party could beat George W. Bush next year was "to be in the president's face." The former Vermont governor, whose anti-war rhetoric and liberal stance are clearly to the left of his Democratic rivals, saw no need to moderate his tone or his message despite their warnings that he would lead the party back into the "political wilderness." "I think my message is a centrist message and is where most American are," he told reporters aboard his...