Mark Penn, chief strategist for Hillary Clinton's presidential campaign, stepped down Sunday. Penn quit the campaign after it was revealed that he met with a Colombian diplomat about passing a free trade deal that Sen. Clinton opposes.
NPR's Mara Liasson tells Renee Montagne that Penn, the chief executive of public relations giant Burson-Marsteller, has been "a walking, talking political conflict of interest" for some time.
Mark Penn, the senior campaign strategist for Democratic presidential hopeful Hillary Clinton, has resigned from his post. He became embroiled in controversy last week when it was disclosed that he met with representatives of Colombia's government to help promote a free trade agreement that Clinton opposes.
Penn and his polling firm will continue to provide services to the senator's campaign.