Humility, we already knew, can be a problem for LeBron James. Not only is he the best player in the NBA, James clearly knows he’s the best player in the NBA. So on Sunday, despite being afforded an impressive, supporting cast of East All-Stars, James When: 9 a.m. to 6 p.m. Feb. 21 and 11 a.m. to 5 p.m. Feb. 22 Tickets: $5 in advance at Sutherlands, Builders Wholesale, Wild Birds Unlimited,