Former House Speaker Newt Gingrich returned to Delaware on Wednesday, hoping a victory in the state's primary on Tuesday will lend credibility to his flagging presidential campaign and his plans to shape the Republican national platform. Gingrich visited Delmarva Christian High School in Georgetown on Wednesday afternoon, followed by an evening appearance in Wilmington at a meeting of the Delaware Rail Splitter Society, an independent Republican organization named in honor of Abraham Lincoln. Gingrich told a crowd of more than 100 people in Wilmington that re-electing President Obama would be "a disaster of the first order." He also reiterated his...