Late one evening in March, I sat in Haandi, a Pakistani restaurant on Lexington Avenue, and watched the swearing in of the new Prime Minister of Pakistan, Yousaf Raza Gillani. Gillani is a loyalist of the Pakistan People's Party (PPP), which since its founding in 1967 has been led by the Bhutto clan. The general election in February was held seven weeks after the PPP's chair, Benazir Bhutto, was killed by a bomb blast and a bullet to the head at an election rally in Rawalpindi, and in an acrid climate of grief, anger and bewilderment, the PPP ended up...