CNN  —  Days after Eric Adams won the New York City mayoral primary four years ago, he was invited to Washington by then-Speaker Nancy Pelosi to speak to the House Democratic caucus, touted by the chair of the House Democrats’ campaign arm as a model for campaigns around the country, and welcomed at Joe Biden’s White House. Zohran Mamdani’s trip to Washington after his own primary victory lasted about four hours. There were no meetings with senior Democratic leaders. The 33-year-old assemblyman