I did an 18-min interview yesterday with the Harvard Ed School and it's currently posted on the main page at: www.gse.harvard.edu.  You can listen to it at: http://www.gse.harvard.edu/news-impact/2011/07/holding-reformers-accountable/.  Here's the cover main page:

 

Harvard EdCast: Holding Reformers Accountable

Whitney Tilson, investor and champion of education initiatives from KIPP to TFA, discusses genuine school reform and reflects on why he spends his free time committed to this fight.