At the end of the day, senators care more about protecting themselves and their colleagues from unpredictable, inconvenient floor votes than they do about passing legislation.Official Washington’s conventional wisdom about the Senate filibuster is a fairy tale. It is utterly unmoored from the choices being made by individual senators, party caucuses, and the body as a whole. Every person who has ever told you that the mean, nasty, outdated legislative filibuster is the source of Senate gridlock and the obstacle to common-sense legislating in Congress has either swallowed, or is peddling, a lie. In an op-ed in the Washington Post...