WASHINGTON — A top adviser to New York City Mayor Zohran Mamdani pushed hard for Maine Democrat Graham Platner in the 2026 Senate race with an eye on a Democratic presidential ticket by 2032, sources told The Post. Morris Katz hyped up Platner as a Bernie Sanders successor who could captivate the progressive base of the Democratic Party — much better than Squad darling Rep. Alexandria Ocasio-Cortez (D-NY), who he saw as a losing nominee, two Democratic sources revealed. One reason Katz favored Platner’s chances over AOC was that he’s a man, sources said. “‘The guy is so f–king talented,'”...