WOONSOCKET, R.I. – President Barack Obama attacked Republicans with gusto Monday as he plunged into a final week of midterm election campaigning, but his party's prognosis remained darkened by the feeble economy and his itinerary was designed largely to minimize losses. Nor was his greeting totally friendly in a state where Obama has pointedly declined to endorse his party's candidate for governor. Obama can "take his endorsement and shove it," declared Democrat Frank Caprio, battling Republican-turned-independent Lincoln Chafee in a Rhode Island gubernatorial race rated tight in the polls. Chafee endorsed Obama during the 2008 campaign for the White House....