Why Wall Street Matters Author:William D. Cohan For readers of Michael Lewis comes a counterintuitive defense of the banks. One of America?s most respected financial journalists debunks all the misinformed arguments against Wall Street?while acknowledging the greed and excess that fuel those feelings?and argues persuasively that, when it?s working right, it?s the invisible engine that powers ... more »the ideas we have and the lives we love.« less