The Associated Press NEW YORK —Presidential candidate Newt Gingrich told Republicans at a New York state party dinner that he would work for Mitt Romney’s victory in the general election if Romney wins the nomination. “We are dedicated to a unified Republican Party,” he said. Speaking Thursday in New York City, Gingrich said he’s stayed in the race “to articulate big themes and big ideas” but that “we have a moral obligation to defeat Barack Obama.” To that end, he said, he would work to support Romney, and he said Romney would do the same for him. “Romney and I...