BROADCAST FINALS ABC:  SHARK TANK dipped 0.03 to 0.48, and 20/20 was down 0.08 to 0.28. CBS:  SWAT shed 0.03 to 0.40, FIRE COUNTRY lost 0.03 to 0.45, and BLUE BLOODS was up 0.02 to 0.45. NBC:  COLLEGE BOWL gained 0.04...