Greek P.M. George Papandreou surprised many by calling for a referendum on the eurozone decision reached last week. Bank of America is backing off its $5 debit card fee. Public television may get an all-pledge-drive channel. Commentator Kristina Wong wrote a letter to IBM's new female CEO. Freakonomics Radio's Stephen Dubner talked about what an election year has to do with deforestation and beer taxes. And longtime BBC contributor David Willis wondered if American optimism has disappeared after a long recession.