BARRE, Vt. - Bernie Sanders jabs at the air, his flushed face a sharp contrast to his unruly white hair. Yet again, he pummels Washington, the Congress and the president. "The government that we have today in the White House, the House of Representatives with Tom Delay, the Senate with Bill Frist, is the most right-wing, extremist government, perhaps in the history of the United States," he tells labor activists at a May Day celebration in the century-old Labor Hall. "Time after time they pass legislation that benefits the rich and the powerful, and they pass legislation that hurts the...