Young stud Kyle King and veteran star Liz Johnson lead the 2012 Team USA Trials after two of four rounds, the United States Bowling Congress reported. King, a member of the team all-events winning team at the 2011 USBC Open Championships, leads the men's division with 10 points (five in each round), while Johnson tops the women with four points (one point for first place in Round 1 and three points for third place in Round 2), USBC reported....