The United States warned airports and global airlines with direct flights to Russia to be on the lookout for explosive materials that might be hidden inside toothpaste or cosmetic tubes ahead of the Winter Olympics. Russian forces are on high alert to head off possible attacks at the upcoming Games, especially after threats by Islamist insurgents in Russia, to sabotage the Olympics. Some U.S. lawmakers have expressed concerns about the security of the Games, but President Barack Obama has said he believes Sochi is safe. -- Mornings @ ANC, February 6, 2014.