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.
If all 100 Senate members vote, then at least 67 must vote for the veto. A two-thirds vote is technically considered a supermajority, which is much more difficult to get than a traditional simple majority. Fewer than 10 percent of all presidential vetoes have been overridden by a vote in the chambers of Congress.