The whispers in Washington are growing louder: Divorce is inevitable, maybe even imminent. The always difficult “strategic partnership” between the United States and Pakistan has become even more acrimonious in the wake of the November 26 US airstrike that killed more than two dozen Pakistani soldiers in Pakistani territory. Islamabad immediately responded by shutting down NATO supply conveys into Afghanistan, demanding the withdrawal of US forces from an airbase in Baluchistan thought to support drone operations, and calling for a public apology and firm guarantees against further violations of Pakistani sovereignty.