Labor Trouble Adds to Gruenberg's Travails at FDIC

Also, lawmakers dig into stress tests (and Fed passes 31 banks); GOP congressmen encourage FHFA watchdog to review Freddie second mortgage pilot

Add labor unrest to the long list of workplace troubles that Martin Gruenberg is grappling with at the FDIC. His latest dustup with the National Treasury Employees Union, no surprise, involves getting staff back to the office. But in a sign of how far relations have soured, the chairman is coming under fire for a new plan that calls for less face time t…