Honor guards open the doors for Russian President Vladimir Putin followed by Crimean leaders entering the hall for the signing ceremony of a treaty for Crimea to join Russia, in the Kremlin in Moscow today. President Vladimir Putin on Tuesday signed a treaty to incorporate Crimea into Russia, describing the move as the restoration of historic injustice and a necessary response to what he called the Western encroachment on Russia’s vital interests. (AP Photo/Sergei Ilnitsky, Pool)