… A four-year hiatus has been kind … Perhaps foremost, the once-convoluted rules seem less onerous this time -- having been simplified, thank goodness, without completely dumbing them down. (A little dumbing down was in order, frankly, for everyone except those determined to pursue a degree in Mole 101.) … In essence, "The Mole" borrows from the best -- combining the travelogue component of "The Amazing Race" with the challenges and squabbling of "Survivor." …10 p.m. Monday. ABC.