Washington in the Obama era seems bent on imposing "solutions" that not only fail to solve Americans' problems, but make us poorer in the bargain. In a direct attack on Wall Street, the president and his ally, Sen. Blanche Lincoln (D-Ark.), are bent on imposing the "Volcker rule," which would prohibit banks from making speculative investments with their own funds, and on requiring banks to divest their derivatives trading desks, or at least put them in a separate subsidiary owned by a parent holding company. Five major banks -- Bank of America, Citigroup, Goldman Sachs, JP Morgan and Morgan Stanley...