Mayor-elect Zohran Mamdani surrounded himself with powerful interest groups and anti-Israel activists who helped him win — and who are now determined to keep him “accountable” and focused on their issues when he takes office in January. “When you take money for people in politics, if you let them down, they’re going to come get you,” said political strategist Hank Sheinkopf of the incoming administration. “If he doesn’t deliver, they are going to remember.” Here are the people who will have Mamdani’s ear — and who he could owe favors once sworn in as mayor. Linda Sarsour Palestinian-American activist Linda...