From right, Russian President Vladimir Putin, Speaker of Crimean legislature Vladimir Konstantinov and Crimean Premier Sergei Aksyonov sign a treaty for Crimea to join Russia in the Kremlin in Moscow, Tuesday, March 18, 2014. With a sweep of his pen, President Vladimir Putin added Crimea to the map of Russia on Tuesday, describing the move as correcting past injustice and a response to what he called Western encroachment upon Russia’s vital interests.