Founders would have frowned upon filibuster

Is the Senate filibuster a useful emergency brake on the actions of legislative majorities, or is it a heckler’s veto that distorts the legislative process and prevents the effective functioning of government?
The 60-vote requirement to cut off debate isn’t in the Constitution. In fact, the opposite is true. The Constitution’s forerunner in 1781, the Articles of Confederation, required the approval of nine of the thirteen states to pass a law, but that supermajority provision w