One of the great things about nearly flat lane patterns is that they can provide nearly unlimited lane play options, depending on factors like oil distance and volume and lane topography. One of the brutal things about nearly flat lane patterns is that it doesn’t take much to turn them from difficult to Petersen Classic-like ugly.   Viewers of the PBA Detroit Open stepladder finals on CBS Sports Network on Wednesday night got to see all of that, as the show was contested on the...