Associated Press (AP) — Polls closed Tuesday in a closely watched Democratic primary race pitting Kennedy scion and political novice Jack Schlossberg against a roster of other hopefuls — including two state lawmakers and a prominent ex-Republican — for an open congressional seat in the heart of Manhattan. Whoever wins the hotly contested primary will be well positioned for the November general election to succeed Democratic longtime Rep. Jerry Nadler, who’s retiring. Democrats make up two-