Mr Putin and Mr Gates are both former spies So will the 43rd Munich Security Conference be remembered as the start of a new Cold War? That is probably the single most important question to emerge from this long weekend of speeches and private chats among the world's most powerful. Certainly Russian President Vladimir Putin's strident speech stands out from the crowd. In it, to recap, he strongly criticised the US and its European allies, with his harshest criticism reserved for Washington. The US had, he said, overstepped its borders in every way, seeking to impose its will on...