Jacob Kent and Brittni Hamilton lead the 2010 United States Bowling Congress Junior Gold Championships heading into Friday's final 16 games of match play. Kent, the son of just-retired PBA star Doug Kent, has led the prestigious tourney in Indianapolis since the opening round Monday. He has a 30-game total of 6,412, an average of 213.7, while Hamilton leads the girls with 6,240, an average of 208, USBC reported....