The umbrella organization includes many different groups fighting the Afghan government and Western forces.
Peace envoy's trip is part of sweeping effort to demonstrate a broader US approach toward regional peace.
He vows to support a regional treaty to curb gun trafficking as well as greater cooperation on clean energy.
Protests against Washington spending took place in more than 700 US cities Wednesday.
He's likely to stress shared responsibility for rising border violence during trip that begins Thursday.
Secretary Clinton vows action, and seeks an international effort against the Somali pirates
How to deal with attackers in order to protect the ship, its cargo, and its crew is on everybody's mind.
Readers write about freedom of religious speech, why the US should end the Cuba embargo, Somali piracy, using the Web for news, and why the US can learn from Canadian schools.