Bowling's toughest tournament starts Tuesday at Brunswick ZoneCarolier in North Brunswick, N.J. The 66th U.S. Open concludes the 2008-09 LumberLiquidators PBA Tour with a grueling format -- 51 games just to getto the TV finals -- on a grueling condition -- 40 feet ofabsolutely flat oil. Scores will be low and the pressure will be high....