candidate proving too toxic first for two television networks now a major department store chain is cutting ties. we're standing by. trump is talking to cnn. u.s. alirns investigated. the justice department subpoenaed some of the country's largest carriers over concerns about high ticket prices. are the airlines engaging in price fixing? i'm wolf blitzer, you're in "the situation room." we're following breaking news. massive counter-terror precautions being put in place in america's largest city. officials in new york they say they're constructing what they call the most -- operation in city history, in response to urgent warnings of possible terror attacks over the july 4th holiday. similar counter-terror efforts are under way in cities across the country as federal officials are raising the alarm other the threat of so-called lone