Steve Coll explains why Pakistan finally clamped down on Baradar:
Over the last few months, by multiple means, the United States and its allies have been seeking to persuade Pakistan that it can best achieve its legitimate security goals in Afghanistan through political negotiations, rather than through the promotion of endless (and futile) Taliban guerrilla violenceand that the United States will respect and accommodate Pakistan’s agenda in such talks. Pakistan’s support for the Afghan Taliban, especially in recent years, was always best understood as a military lever to promote political accommodations of Pakistan in Kabul.
Baradar, however, has defiantly refused to participate in such political strategies, as he indicated in an e-mail interview he gave to Newsweek last year. The more the Taliban’s leaders enjoying sanctuary in Karachi or Quetta refuse to lash themselves to Pakistani political strategy, the more vulnerable they become to a knock on the door in the middle of the night.
Amazing what can happen when you have a foreign policy that includes diplomacy and force and sophistication.