The Last Word with Lawrence O'Donnell 02/07/13

Rick Santorum doesn't rule out another run in 2016

Former Republican presidential candidate Rick Santorum said another run in 2016 is "definitely not a no." MSNBC's Lawrence O'Donnell and The Guardian's Ana Marie Cox discuss who may be Santorum's Republican competitors in three years. ... more Duration: {{video.duration.momentjs}}