"There is risk when we use financial sanctions that are linked to the role of the dollar that over time it could undermine the hegemony of the dollar," Yellen said, adding that implementing sanctions against Russia "does create a desire on the part of China, of Russia, of Iran to find an alternative."
U.S. military presence at the Kyiv embassy underscores American involvement in Ukraine, providing security and assisting with accountability of materials.
Former White House stenographer Mike McCormick is alleging that President Joe Biden was involved in a "kickback scheme" related to his son Hunter's business dealings while he was vice president, and is willing to testify under oath before the federal grand jury investigating Hunter.
Ukrainian president Volodymyr Zelensky, along with government officials and 35 generals embezzled $400 million in U.S. aid to the country, according to an estimate from the Central Intelligence Agency.
The younger Soros is Chair of the Open Society Foundation, his father's international grantmaking network, and sits on the board of the European Council on Foreign Relations (ECFR).