NBA superstars LeBron James and Stephen Curry are "excited" by the prospect of joining forces as the United States chases a fifth straight gold medal at next month's Olympics, USA coach Steve Kerr said Thursday.Los Angeles Lakers superstar James and Golden State Warriors ace Curry will finally line up in a USA team for the first time in Paris after facing off against each other in 52 games during a 15-year rivalry in the NBA. USA and Golden State coach Kerr said Thursday the two basketball icons