Attorney General Alberto Gonzales says the constant threat posed to America by terrorists keeps him awake at night. "I wake up every morning, I look at the threat assessment, and we are on it, on those threats against the United States," he told the Pittsburgh Tribune-Review. "Now at the end of the day, many of those threats have washed out. Many of them are nothing, but you see from the plots that we have an enemy that is very smart, very persistent and they are very determined."