. . . . . . . . . . . . . . "U.S. Constitution" . "In this vignette, Chief Justice John Roberts speaks about the history, meaning, and provisions of the U.S. constitution, as well as the operation of government within the parameters set forth in the U.S. Constitution. He also talked about ways in which the Constitution had been interpreted and its function as a working document." . . "United States Constitution" . . . . . "United States." . .