Pakistan's Enduring ChallengesFrom the start of the U. S. war in Afghanistan in 2001 to the withdrawal of U. S. troops in 2014, Pakistan's military cooperation was critical to the United States. Yet Pakistani politics remain a source of anxiety for American policymakers. Despite some progress toward democratic consolidation over the last ten years, Pakistan's military still asserts power over the country's elected government. Pakistan's western regions remain largely ungoverned