For the better part of two generations, the best political science departments have concentrated on equipping students with skills for performing empirical research and teaching mathematical models that purport to describe political affairs. Meanwhile, leading history departments have emphasized social history and issues of race, class and gender at the expense of constitutional history, diplomatic history and military history.
Neither professors of political science nor of history have made a priority of instructing students in the founding principles of American constitutional government. Nor have they taught about the contest between the progressive vision and the conservative vision that has characterized American politics since Woodrow Wilson (then a political scientist at Princeton) helped launch the progressive movement in the late 19th century by arguing that the Constitution had become obsolete and hindered democratic reform.
Of course, it will not surprise you to know that we do things differently here, both at the undergraduate and graduate level.