New York Times: As angry truckers encircled the Capitol in a horn-blaring caravan and consumers across the country agonized over $60 fill-ups, the issue of high fuel prices flared on the campaign trail on Monday, sharply dividing the two Democratic candidates. Senator Hillary Rodham Clinton lined up with Senator John McCain, the presumptive Republican nominee for president, in endorsing a plan to suspend the federal excise tax on gasoline, 18.4 cents a gallon, for the summer travel season. But …