NEW YORK — Ex-President Donald Trump refused to answer questions Wednesday from the New York attorney general’s office Wednesday in the latest twist in an ongoing civil investigation into his real estate business. “Under the advice of my counsel … I declined to answer the questions under the rights and privileges afforded to every citizen under the United States Consitution,” the former Manhattan mogul said in a statement after invoking his Fifth Amendment rights. “This is a vindictive and and self-serving expedition, the likes of which this country has never seen before,” he continued. “The…