Areas of the cortex located just behind the temples containing the neurons responsible for the sense of hearing and meaningful speech. Frontal Lobes Areas of the cortex located in the front and top of the brain, responsible for higher mental processes and decision making as well as the production of fluent speech.
As a practical matter, some might argue, if a filibuster is threatened and it takes 60 votes to end debate in the Senate, then it does take 60 votes to pass a bill. Nothing in the Constitution says that a three-fifths majority is necessary to pass ordinary legislation.
ET: The Bill Has Passed. In the final tally of the vote, 67 senators were in favor of the measure and 32 against. The legislation needed a simple majority to pass. Last November, the Freedom Act failed in the Senate after not receiving enough support to avoid a filibuster. Its critics say the act doesn't go far enough to curtail surveillance programs that can access huge databases of information about Americans.