A few days after the Taliban rolled into the Afghan capital in 2021, the head of Pakistan’s powerful intelligence service told the media: “Don’t worry, everything will be okay.” Four years on, everything is not okay, says Bloomberg Opinion's Mihir Sharma.  NEW DELHI: A few days after the Taliban rolled into the Afghan capital in 2021, the head of Pakistan’s powerful intelligence service - sipping tea in a Kabul hotel - told the media: “Don’t worry, everything will be okay.”  Four years on,