How the U.S. Can Pressure Pakistan

President Trump announced Monday a new strategic review for the U.S. presence in Afghanistan. He offered tough words for Pakistan, which supports militants inside Afghanistan, but gave few details of how the U.S. could persuade it to change its ways. On Tuesday, Secretary of State Rex Tillerson warned that U.S. support for Pakistan would be conditioned upon its leaders’ ability to “change their approach” of backing militant groups that are “disrupting peace efforts inside of Afghanistan.”

Complaints about Pakistan’s apparent unwillingness to cooperate with the U.S. strategy in Afghanistan date back almost to the U.S.-led invasion of the country following the attacks of September 11, 2001: The country is known to provide support and a safe haven not only for the Taliban, but also groups that