TODAY | February 19, 2013
>>> former south carolina governor mark sanford is hoping for a second chance in politics in the wake of a personal scandal that cost him his marriage. we'll talk to the governor exclusively in a moment. first, his story. in a new campaign ad , mark sanford takes on his biggest hurdle, past scandal.
>> i've experienced how none of us go through life without mistakes, but in their wake we can learn a lot about grace, second chances and be the better for it.
>> four years ago, san tls ford was a rising republican star, governor of south carolina , with an attractive wife and family. but that promising political career was derailed by an affair with a television reporter in argentina .
>> i've let down a lot of people.
>> sanford's staff said he was hiking the appalachian trail but he had lied to his staff and was actually visiting his mistress in argentina .
>> i've been unfaithful to my wife. i've developed a relationship with a -- started out as a dear, dear friend from argentina .
>> that admission led to his censure, resignation as head of republicans governor association.
>> my important job right now is our children, his career is the least of my concern.
>> campaigning on his fiscally conservative record.
>> i've cut spending, reduced debt and made government more accountable.
>> now the front-runner in a 16-person republican field for the march 19th primary. he recently became engaged to his former mistress, whom he has called