BROADCAST FINALS ABC:  SHARK TANK dropped 0.05 to 0.39, and 20/20 was up 0.02 to 0.35. CBS:  SWAT lost 0.04 to 0.46, MAGNUM PI gained 0.03 to 0.43, and BLUE BLOODS was up 0.05 to 0.46. NBC:  HOME SWEET HOME shed 0.03 ...