U.S. President Joe Biden threatened Wednesday to block Russian banks’ access to the U.S. dollar if Russia takes aggressive military action against Ukraine, potentially cutting the country off from the international financial sector.   Joe Biden said he feared Russian President Vladimir Putin could launch military operations against Ukraine imminently.Office of the President of the … Continue reading Biden Threatens Dollar Ban on Russian Banks. The U.S. said it could block Russian financial institutions from trading in dollars if Moscow invades Ukraine.