The latest terrorist attack outside Lahore suggests that Pakistan at last will be compelled to confront the stark choice before it. The timing of the attack is significant. It came days after President Obama bluntly warned Pakistan to deliver on the war against terrorism or face the consequences. It came after official US sources openly accused the ISI of protecting terrorists. It came after President Zardari’s assurance that Pakistan would fully cooperate with America. Obama’s ultimatum seemed to work.