The former KGB officer named as a suspect in the murder of Alexander Litvinenko in London said Wednesday the British government's case against him had collapsed and called the slain man a "traitor." In an interview with The Associated Press, Andrei Lugovoi, who is running for parliament in the Dec. 2 elections, said he expects his accusers to use the Nov. 23 anniversary of Litvinenko's agonizing death from radiation poisoning to renew calls for his extradition. But the 43-year-old multimillionaire said the Russian constitution prevents him being handed over, so he is not concerned about what British officials and Litvinenko's...