Ex-President George W. Bush dips toe into U.S. trade debate

By David Lawder DALLAS (Reuters) - Former U.S. President George W. Bush on Tuesday entered the debate over the Trans-Pacific Partnership, hosting a forum at his presidential library extolling his successor's Asian free trade deal. Bush, who signed several such accords during his two terms in office, met with U.S. Trade Representative Michael Froman before the event to promote the strategic benefits of the agreement. President Barack Obama is still pushing for Congress to approve the 12-country T