Valle nasser is professor of international affairs and middle age studies at john hopkins university in 20 19. He also served as senior adviser to the us Special representative to afghanistan and bakhistan. It seems like the talibon is trying to show the world that it's starting to a government, he says. But i think beyond that, thei most e serious challenge they face is to govern. They have wone bigger than they did in the 19 nineties.