In this episode of Greta Talk, Greta and FOX News Contributor and best-selling author Charles Krauthammer get into Dr. Krauthammer's back-story. How did he manage to cross the spectrum from the left to the right? What is it about politics that drew him away from medicine? She even gets him to reveal his real love - it isn't politics, and it isn't medicine - but here's a hint -  he took a different path because he didn't want to spend his life bending steel.

Dr. Krauthammer's book, "Things That Matter," is a surprise best-seller, with more than a million copies already sold. Listen to this thoughtful and incisive conversation now - there's politics, policy, philosophy and much more all crammed into 18 minutes.