What legal issues are preventing one of Cain's accusers from speaking out?

One of the women who accused GOP presidential candidate Herman Cain of sexual harassment wants to tell her side of the story but is barred by a confidentiality agreement.

Her lawyer, Joel P. Bennett, has called on the National Restaurant Association, where her and Cain worked in the late 1990s, to release the woman from her agreement not to discuss the allegations.

Paul Callan, CNN legal contributor, weighs in on the controversy and explains how likely it is that the agreement will be waived on American Morning today.