For nearly two months, Sayed Wali, a young Afghan truck driver, has watched the sun rise, and the sun set in the fabled Khyber Pass, which connects western Pakistan to eastern Afghanistan. But he's not here for the view. He's stuck. Wali can't even leave his 10-wheel truck and its cargo unattended for fear it could be robbed or ransacked. He was taking a shipment of Afghan imports from Pakistan's southern seaport city of Karachi through some 1,800 kilometers of roads that wind from the Arabian Sea up through to the treacherous Khyber mountains…