Donald Trump will become the first sitting US president to attend an NBA Finals game during Game 3 between the New York Knicks and the San Antonio Spurs at Madison Square Garden.The Knicks organization has mandated strict security protocols, including TSA-style screening and a no-bag policy, requiring fans to arrive two hours early.With a 2-0 series lead, the team aims to secure its first championship since 1973 while navigating the logistical adjustments necessitated by the presidential visit.