Here is a good example of how an alert blogger was able to help authorities arrest a would be terrorist inside the US trying to organize a terrorist cell. Get this he was an illegal Jordanian immigrant using library computers to try and organize a cell to conduct a terrorist attack in the US.

Without the Patriot Act, authorities would not have been able to monitor his actions on the library computer. Does anyone doubt that the terrorists out there are hoping for the end of the Patriot Act?