In terms of brilliant television casting, it certainly would have trumped the addition of Don Knotts to "Three's Company" in 1979. Unfortunately, it wasn't meant to be. Sen. Rick Santorum won't be joining Paris Hilton and Nicole Richie for a new season of the pair's Fox TV series "The Simple Life"... Fox contacted the offices of Santorum and House Speaker Dennis Hastert, of Illinois, to inquire about possible internships for the dynamically dim duo... In pitching the idea to Santorum's office, associate producer Ryan Crow suggested that Hilton and Richie could perform administrative tasks, help enact certain policy reforms or...