Since the PBA changed the Shark pattern before the 2009-10 PBA Tour -- making it more difficult with much more oil outside 10 board and less in the middle -- I had not competed in a PBA tourney on it. So I was a little unprepared heading into this weekend's PBA Midwest Regional at the beautiful Premiere Bowling and Entertainment Center in the Des Moines suburb of Pleasant Hill, Iowa. And it showed at...