If you want to see the difference between the PBA Tour and the PBA50 Tour, this week’s PBA/PBA50 South Shore Doubles presented by DV8 at Olympia Lanes in Hammond, Indiana is where you should be, either live or watching on Xtra Frame. The pattern this week is the 47-foot PBA50 Scorpion and when us raisins bowled the 8 a.m. squad Thursday, we mostly started to the right of 10-board with fairly straight angles and by the end of eight games few were left of 15-board at the arrows and angles...