It is true that previous such attempts have come up short in the face of differences over market-access barriers and other long-standing irritants.

WSJ: Tom Donilon: The President's Free-Trade Path to Prosperity

The United States Trade Representative, in consultation with other members of the Export Promotion Cabinet, shall take steps to improve market access overseas for our manufacturers, farmers, and service providers by actively opening new markets, reducing significant trade barriers, and robustly enforcing our trade agreements.

WHITEHOUSE: Executive Order 13534 - National Export Initiative