Kenosha’s Lennie Boresch Jr. obviously hasn’t learned that he’s a Senior now and doesn’t belong competing with the young guns of the PBA Tour. The 50-year-old USBC Hall of Famer made a stirring run at the opening event of the GEICO World Series of Bowling at South Point in Las Vegas on Saturday, missing the stepladder finals of the Alka Seltzer Plus Cold Cheetah Championship by just 28 pins, PBA reported. Boresch’s fifth-place finish with a 3,449 total for 14...