In anticipating a Congress in which they enjoy majorities in both chambers, Republicans should recall a history of tensions in their party between GOP members of the Senate and the House of Representatives. Hopes of harmony overlook the fact that members of the two chambers, despite their shared partisanship, often see the world differently based upon the quite different political environments in which each operates. With this in mind, GOP leaders might wish to go easy on the expectations for sweeping change in the 114th Congress.