After political pundits all but wrote its obituary in the U.S. Congress, Trade Promotion Authority (TPA) roared back to win approval last month. Could the long-awaited TransPacific Trade Partnership or TPP, pull a similar back-from-the-dead maneuver?

It’s possible, Dave Salmonsen of the American Farm Bureau Federation (AFBF) said last week after trade ministers at a meeting in late July in Hawaii failed to finalize the deal. But the countries involved in the massive trade agreement will really have to want to adopt the TPP to make it happen, he ...