. >> narrator: correspondent ramita navai investigates... >> there have been allegations that the chief minister has been trying to protect the accused. >> narrator: these two stories on this special addition of frontline. >> frontline is made possible by contributions to your pbs station from viewers like you. thank you. and by the corporation for public broadcasting. major support is provided by the ford foundation: working with visionaries on the front lines of social change worldwide. at fordfoundation.g. additional support is provided by the abrams foundation, committed to excellence in jonalism... the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information at macfound.org. park foundation,edicated to heightening public awareness of critical issues. and by the frontline journalism fund, with major support from jon and jo ann hagler. and additional support from koo and patricia yuen. >> good morning-- u.s. and nato troops begin pulling out of afghanistan. >> news that all u.s. and nato troops will soon leave thei