Pakistan Steps Up the Fight against the Taliban

Suicide bombers set off a massive blast in Peshawar yesterday, killing 18 people. Was it a response to the Pakistani military's recent offensive of a Taliban stronghold in the Swat Valley? What will become of the two million civilian refugees who have fled the fighting? Could this humanitarian crisis been averted? Is stepped up military action a way to get more US aid? How is Pakistani public opinion affecting the fight against the Taliban? How does President Obama's foreign policy in the region differ from that of George Bush? How do tensions with Afghanistan and India affect Islamabad's focus on the Taliban?