Rob Hamilton, John O'Kroley and Brett Casper fired perfect games to highlight Madison area bowling on Monday. Hamilton's sixth career 300 came in a 760 series in the Prairie Lanes Major League. O'Kroley's first career 300 came in a 690 in the Prairie Major. Casper's first career 300 came in a 672 in the Badger Bowl Strike Force League. Gregg Williams rolled the high series on Monday with a 776 in the Dream Lanes Suburban Merchants League, followed by Jim Fosdick with 761 in the same league,...