Though Mexican President Felipe Calderón and Canadian Prime Minister Stephen Harper have done everything to maintain the status quo on the North American Free Trade Agreement (NAFTA), President Barack Obama has promised to "push the restart button" on several trade deals. While it's debatable how much his administration actually differs from its predecessor in these areas, trade activists remain hopeful that Obama will stick to his promises to renegotiate NAFTA and reconsider its expansion through the Security and Prosperity Partnership (SPP).








