The third annual USA Bowling National Championships presented by Sixlets started Wednesday in the Dallas area with a qualifying round that determined seeding for Thursday’s double-elimination match-play bracket. The 30 USA Bowling Regional champions — 14 teams in the 12-and-under division and 16 teams in the 15-and-under division — bowled 13 and 15 modified Baker format matches, respectively, at AMF Garland Lanes to determine the seeding. A team's match-play record in...