The television magazine show, "CBS Sunday Morning," will air a segment on the Mark Twain House on Sunday, November 30th. (9 a.m. Eastern) Here is the blurb from the CBS Web site: CONNECTICUT YANKEE The phrase "Connecticut Yankee" comes from the title of a book by Mark Twain, and is used to describe the leading character. But, the phrase could just as easily be used to describe the author of the book himself. CBS News Sunday Morning anchor Charles Osgood tells us more on the opening of the Mark Twain museum in Hartford, Conn. Kevin B.