A disgusting attempt to justify NSA surveillance. ~3,000 people died in the 9/11 attack, and over 20,000 die every day in this world due to not having enough food to eat. Most of the financial damages that came from 9/11 was due to increased spending in the defense budget for an ineffective war, while our public schools are producing failures and shutting down. And now, Robert Mueller, you claim that the situation would be better if we did not have the liberties we had in 2001? Sod off.