six men to a room, nicolai said he has only been paid a fraction of his salary. when he started to ask questions he claims he was fired. other guards who did not want to talk on camera had similar complaints and said they would like to quit. nicolai's employer, angel security, did not respond to an e-mail from nbc news. unhappy guards, not the best sign on the eve of the opening ceremony with 40 world leaders expected to attend. russia continues to insist it has the threat of terrorism under control and that it keeps -- treats all of its workers involved in the olympics well. >> richard engel, starting off our reporting tonight, thank you, and our own pete williams who covers the homeland security for us has been looking into the new tsa travel restrictions. he is in our washington news room with that story, good evening. >> reporter: good evening, brian, the temporary ban on gels, liquids or powders has not been based on any new threat or new intelligence, it is the follow-on to yesterday's warning about the toothpaste and the gels smuggled on planes applies onl