Romney's MA Legacy

This morning, Governor Mitt Romney will file papers to create an exploratory committee for a presidential bid. Then, at the end of his last full day as Governor, Romney will take the ceremonial "lone walk'" from the Statehouse he entered in 2002.

Four years later, as Romney is poised for the next phase of his career, WBUR's Bob Oakes look at his term in Massachusetts' corner office and his potential run for the Oval Office.