The violence in Ukraine is leading to more questions about Hillary Clinton's legacy after four years as Secretary of State.

Krauthammer on Benghazi Revelations: Why Did Those Who Knew Stay Quiet?

"When people talk about Hillary being a superb secretary of state, I just ask one question. Name me one thing, just one, not three, give me one thing she achieved in her four years as secretary of state. I have yet to hear an answer. ... She traveled a lot. So did Marco Polo. And you want him to be president?" Charles Krauthammer said Tuesday on Hugh Hewitt's radio show.

Hewitt had observed that Clinton "lost South America, she’s lost the Middle East, and she’s lost Eastern Europe. How does anyone recover from that and run for the presidency?"

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Martha MacCallum discussed the criticism with radio host Ken Coleman and Emily Tisch Sussman of the Center for American Progress.

Sussman disagreed with Krauthammer, crediting Hillary Clinton for restoring respect for the U.S. on the world stage after the Bush years and pointed out the killing of Usama bin Laden during her time in the Obama administration.

Coleman faulted Clinton for carrying on a "pattern of cover-ups" after the Benghazi attack instead of taking responsibility.

Watch the discussion above.