The U.S. government said Tuesday it plans to impose "potent" export controls against the supplying of sophisticated technologies to Russia in the event of an invasion of Ukraine, while seeking ways to address Europe's vulnerability due to energy reliance on Moscow.The export control measure is being considered as part of what the United States calls "massive consequences" Russia would face as a result of aggression toward its neighbor country. President Joe Biden said later in the day he would also consider personally sanctioning Russian leader Vladimir Putin.Fears have been growing that Ru…READ FULL ARTICLE