BROADCAST FINALS ABC:  SHARK TANK dropped 0.07 to 0.53, while 20/20 jumped 0.16 to 0.47. CBS:  SWAT lost 0.05 to 0.44, MAGNUM PI slipped 0.02 to 0.41, and BLUE BLOODS was down 0.05 to 0.41. NBC:  THE WALL was at 0.33, and DA...