Rep. Loretta SanchezLoretta L. SanchezDisputed North Carolina race raises prospect of congressional probe Feinstein advances to general election, opponent undetermined Feinstein challenger faces uphill battle MORE (D-Calif.) is apologizing for making a gesture mocking Native Americans that sparked backlash just days into her Senate campaign.

Watch the video above from CBS Sacramento for details.

--Last update on May 18 at 6:31 a.m.