As U.S.-Russia tensions escalate in the standoff over Ukraine, ABC's Martha Raddatz goes one-on-one with Senate Foreign Relations Committee member Senator Chris Coons on the possibility of a Russian invasion and what’s next for the Democrats’ agenda. Plus, Senator Joni Ernst weighs in on the U.S. response, and the Senate GOP‘s block of voting rights legislation. And with the Omicron variant surge passing its peak in many states, Dr. Anthony Fauci joins Martha to discuss whether the U.S. is finally at a COVID turning point.