welcome back in the "crossfire" tonight lawrence korb and michael reagan. we're following tonight's breaking news. cnn has learned airlines are being warned about possible bomb ingredients in toothpaste or cosmetics tubes travelers are taking to the olympics. let's go to sochi, russia, with cnn's nick paton walsh for the latest. nick, we've heard so much about the ring of steel, a security blanket around the site of the games there. do you know if the russians are recalculating their security plan now in light of the toothpaste tube threat? >> they certainly say they've done everything they possibly could already to make this games the safest. 37,000 security officials coming here. we've seen helicopters yesterday rotating around the sky, three at a time. three surveillance balloons up in the air as well. and an internet dragnet as well