http://www.thetakeaway.org/2010/jan/20/whats-so-bad-about-salt/ http://www.podtrac.com/pts/redirect.mp3/audio.wnyc.org/takeaway/takeaway012010_1f.mp3 What's So Bad About Salt? http://www.thetakeaway.org/2010/jan/20/whats-so-bad-about-salt/ true 11933 segment New York Mayor Mike Bloomberg is cracking down on salt in city restaurants. But is salt really that bad for us? In this week's food segment, Marion Nestle, author of "Safe Food: The Politics of Food Safety," explains the science and politics of salt. And Melissa Clark, food writer for the New York T