U.S. President Joe Biden and his Russian counterpart will speak next week amid tensions between Russia and Ukraine, according to the Kremlin. A spokesman for the Russian government told RIA Novosti, a state news agency, that the video call will take place on the evening of Dec. 7. Asked how long the meeting will last, he said “the presidents themselves” will “determine that.” The White House did not respond to a request for comment and has not said a call will take place. White House press secretary Jen Psaki described a talk between the presidents as a possibility earlier this week. “We’re aware of Russia’s actions for a long time and my expectation is we’re going to have a long discussion with Putin,” Biden told reporters on Friday as he left Washington for a weekend at Camp David. Biden and other American officials have expressed concern over the buildup of …