Republican presidential hopefuls Rick Santorum (L), Mitt Romney (C), and Newt Gingrich (R) participate in the CNN Southern Republican Leadership Conference Town Hall Debate in Charleston, South Carolina, January 19, 2012. (Paul J. Richards/AFP/Getty Images)
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Ahead of Wednesday's GOP debate in Arizona, Columbia Journalism Review editor Michael Hoyt had some advice for moderator John King: Ask the tough questions on foreign policy, national security and the economy rather than simply "Who is more conservative?"
Michael Hoyt is executive editor of the Columbia Journalism Review, where he has written and edited many articles about journalism and its challenges.
Tens of thousands of people around the world have said they want to go to Mars, even if it means they will never return to Earth. Dozens of them were in the crowd Tuesday night at the Fitzgerald Theater for Science Night Minnesota — Mission to Mars. Read about Science Night.