Obama’s home stretch to focus on foreign policy

US President Barack Obama has been strangled by Republican Congressional majorities but is still on the verge of sealing his legacy on the international front, writes Andrew Hammond.

At a moment when much of the world is watching Greece, one of the most critical moments in Barack Obama’s presidency is also fast approaching.

Within a few days, the US president could secure not just a historic nuclear agreement with Iran, but also sign into law domestic legislation that could enable two potentially landmark international trade agreements — allowing the country to help write what US officials have called “the rules of the road” for the 21st century world economy.