Christian Lindner, chairman of the liberal Free Democratic Party (FDP), attends a news conference in Berlin, Germany June 26, 2017. REUTERS/Hannibal Hanschke/Files Acquire Licensing Rights BERLIN (Reuters) - Germany may have to accept Russia's 2014 annexation of the Crimea region of Ukraine as a "permanent provisional arrangement," the head of the Free Democratic Party (FDP) told a newspaper chain