Trump supporters: Americans who boo The Constitution of the United States.
Protesters were met with jeers and boos, and shouts of 'USA! USA! USA!" before being ejected from the event in Portland, Maine. h/t @JDiamond1 of CNN for the photo.
Jefferson served as minister to France at the time and was not in the United States.
Thomas Jefferson was the minister to France when the U.S. Constitution was drafted in 1787. Madison is generally credited with drafting the document. Carson has had several books published on the Constitution, allegedly written by him. Source: C-Span