The Taliban has warned that there will be a “reaction” if the United States keeps troops in Afghanistan beyond May 1. Suhail Shaheen, a member of the Taliban negotiation team, told reporters in Moscow late last week that if American troops were to stay beyond the deadline, “it will be a kind of violation of the agreement.” “That violation would not be from our side. … Their violation will have a reaction,” he added. The warning came a day after meeting with senior Afghan government negotiators and international observers to try to jump-start a stalled peace process to end Afghanistan’s decades of war. Under former President Donald Trump, the United States and the Taliban reached an agreement last year. As part of the deal, the United States would withdraw 4,400 of its 13,000 troops in the short term, with the remainder exiting by May 1, 2021. Trump decried what he …