At the Republican Presidential debate earlier this week, Texas Senator Ted Cruz did something unusual for a politician -- he gave a straightforward answer to a question. Yes, Cruz made clear, if the Bank of America was on the brink, he would let it fail. That answer made perfect sense to millions of Americans who are tired of politicians doing special favors for their well-connected friends on Wall Street. But doing such favors is what Washington politics is all about. That reality was highlighted by Neil Barofsky, who served as the Special Inspector General for the TARP bailouts. His book...