This Article evaluates the tradition of unlimited debate in the Senate and argues that a refusal to vote for cloture should be changed from an absolute to a suspensory veto. Part I explains that for most of its history, the Senate operated under the premise that a determined majority should have the right to govern. In the last forty years, however, that assumption has eroded to the point that on most issues the sixty-vote threshold for cloture is treated as the equivalent of a vote on the merits. This substantive supermajority requirement is unjustified, especially since no internal deliberative benefits flow from it given that filibustering senators are no longer required to hold the floor as was common in the past. Accordingly, I propose...