George Romney, Rick Santorum, Dick Cheney, Barack Obama, George W Bush, George Bush, Bill Clinton, Jimmy Carter, Ronald Reagan, Richard Nixon and Franklin Roosevelt have all released more years of tax returns than Willard Romney, presidential nominee for 2012.

http://www.taxhistory.org/www/website.nsf/Web/PresidentialTaxReturns/

Barack Obama has released twelve years of tax returns; we believe that it would be fair for Governor Romney to match his releases.