Today historic changes were made in the rules of filibuster in the United States Senate. Previously a silent filibuster could be used, where for important bills and appointments a super majority of 60 votes was required to close debate and hold a final vote. With just a threat of requiring a super majority, a minority of senators could put the bill on hold. The requirement of a super majority was removed today on votes to confirm the president’s nominees, except for justices for the Supreme Court. The silent filibuster can still be used on any other bills.
You can watch our video on the history of the filibuster here.