Edit this Published in Freakonomics Radio 100 Ways to Fight Obesity Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/278569/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend (A.J. Brustein / flickr) i Freakonomics asks a dozen smart people for their best ideas. Get ready for a fat tax, a sugar ban, and a calorie-chomping tapeworm.