Was This Whistle-Blower Muzzled?

``But will we ever know what really happened behind all those closed doors? The seemingly appalling treatment afforded Richard M. Bowen III, a former Citigroup executive who blew the whistle on years of malfeasance there, shows that we may not. Thanks to political pressure and the revolving door between Washington and Wall Street, the events leading up to the financial crisis remain obscured and may never be fully revealed. ''