Gov. Andrew Cuomo handed Hillary Clinton, the Democratic 2016 presidential nominee, a bouquet of flowers on a stage at his party’s convention on Long Island on Wednesday afternoon. At the same time in Manhattan, Cuomo’s Republican gubernatorial rival was doing all he could to separate himself from his own party’s 2016 presidential nominee, Donald Trump. Marc Molinaro, the Dutchess County executive, officially earned his nomination at the state convention where the New York Republican Party unanimously approved him as its designee to take on Cuomo in November. Drawing a stark contrast from the wealthy president known for his inflammatory rhetoric,...