WASHINGTON (Sputnik ) - The United States will not send any troops to fight in Ukraine, US State Department spokesman Matthew Miller said on Monday. US House Democratic Leader Hakeem Jeffries said on Sunday that there is a significant likelihood the United States will have to send troops to the conflict zone if Ukraine falls, adding that Washington must continue supporting Kiev in order to prevent a broader war. "The president [Joe Biden] has made clear that he will not send US troops to fight in Ukraine," Miller said in a press briefing. No Reason to Adjust US Nuclear Posture...