A possible transfer of political power in the congressional midterm elections could doom short-term chances for a comprehensive climate bill. But experts say climate issues could still be addressed t…

As U.S. public opinion increasingly favors stronger immigration controls, the Senate considers a bill that would impose harsh penalties on illegal immigrants. The U.S.-Mexican relationship has suffer…

Backgrounder: The new Congress shares President Bush’s reform approach but new legislation is by no means assured.

Pakistan is key to success in U.S.-led  counterterrorism efforts, with its tribal areas serving as terrorist havens. But covert U.S. military actions inside Pakistan put the future of the U.S.-Pakist…

Terrorist groups can never change their stripes, or so politicians regularly remind their citizens. Yet history begs to differ.