Darth Later: If necessity is the mother of invention, who is the father? (Insert the apropos “No, I am your father” reference here.) As Hall WCTK/Providence continues to sit atop the monthly ratings releases, PD Kevin Palana breaks down his programming strategy. Plus, Country Aircheck helps spark ideas for Mother’s Day with a list of “mom songs.” That and more in last night’s (5/3) Country Aircheck Weekly here.