Jalen Brunson, the New York Knicks’ star guard, holds the Larry O’Brien Championship Trophy during the ticker-tape parade for his team in celebration of their first NBA championship win in two generations in New York on Thursday, June 18, 2026. (Todd Heisler/The New York Times) By JONAH E. BROMWICH, DAN RUBINSTEIN and SANTUL NERKAR Roaring cascades of jubilant fans filled lower Manhattan on Thursday morning for the New York Knicks championship parade, a celebratory coda to a postseason run…