Elizabeth Warren, the Harvard University professor touted to head a new consumer protection bureau. Photographer: Daniel Acker/Bloomberg

Elizabeth Warren, the Harvard University professor touted to head a new consumer protection bureau, may not have sufficient support to win confirmation to the post, Senator Christopher Dodd said in a radio interview.

Warren, chairman of a panel overseeing the Troubled Asset Relief Program, is credited with conceiving the agency included in the financial-regulation bill awaiting President Barack Obama's signature. Backing from consumer groups and lawmakers including House Financial Services Committee Chairman Barney Frank may not be enough to overcome resistance to her candidacy to lead it, Dodd said yesterday on NPR's...