Trade and trade agreements are shaping up to be a central issue in the US presidential campaign. On this encore edition of Encounter, host Carol Castiel talks with Lori Wallach, Director of Public Citizens Global Trade Watch and Jim Kessler, Senior Vice President for Policy at the centrist think tank, Third Way, who spar over the pros and cons of trade, including the merits of NAFTA and the TPP or Trans Pacific Partnership, championed by US President Barack Obama.