Topic: Situation Room
Perennial ratings loser replaced by a third hour of 'The Situation Room'
By Sam Thielman on Jun. 13, 2012 - 1:05 PM EDT
CNN has abruptly canceled John King USA, its 6 p.m. show. The cancelation isn't a major shock. The two-year-old John King pulled in demo ratings in the mid-five-digit range (ratings for the…