Today's Takeaway: Romney Takes Arizona and Michigan Primaries Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Top of the Hour: Romney Wins Arizona and Michigan Primaries, Morning Headlines Romney Wins Michigan and Arizona Primaries Senator Olympia Snowe Will Not Seek Reelection President Obama Addresses United Auto Workers Newt Gingrich's Super Tuesday Strategy Top of the Hour: Olympia Snowe Wil Not Seek Second Term, Morning Headlines Rick Santorum Prepares for Ohio and Super Tuesday TED Talks: T. Boone Pickens on the Future of Energy Romney and Santorum Sharpen their Message for Super Tuesday Listener Response: Taking the Big Leap Israel's Debt to Iran; Iran's Debt to Israel James Murdoch to Step Down at News International North Korea Agrees to Halt Nuclear Work Republican presidential candidate, former Massachusetts Gov. Mitt Romney greets supporters during an election party at the Red Rock Casino February 4, 2012 in Las Vegas, Nevada. ( Ethan Miller/Getty Images / Getty ) Produced by PRI and WNYC