The renomination of Federal Reserve Board Chairman Ben Bernanke wasn't supposed to be a nail-biter, but the prospect of another four-year term has lawmakers from both sides throwing up roadblocks.

Sen. Jim Bunning, the staunchly conservative Kentucky Republican, vowed Thursday "to do everything I can to stop your nomination and drag out the process as long as possible." His threat came a day after Sen. Bernie Sanders, a left-leaning independent from Vermont, put a hold on Bernanke's nomination, forcing Senate leaders to line up 60 votes before proceeding.

Subscribe Now

Access to a full range of industry content, analysis and expert commentary.

30-Day Free Trial

No credit card required. Access coverage of the securitization marketplace, including breaking news updated throughout the day.