Just when you think the political class may have learned something in months of trying to fix the banking system, the ghost of Hank Paulson returns to haunt the Treasury. The latest Beltway blunder -- and it would be a big one -- is the Obama Administration's weekend news leak that it may insist on converting its preferred shares in some of the nation's largest banks into common equity. The stock market promptly tumbled by more than 3.5% yesterday, with J.P. Morgan falling 10% and financial stocks as a group off 9%, as measured by the NYSE Financials index. Note...
