Bob Schieffer, Doris Kearns Goodwin on why 2018 midterms are a "collective mirror" on U.S.
To put the historic and potential firsts of the midterm election into perspective, CBS News political contributor and former "Face the Nation" moderator Bob Schieffer, who is covering his 25th election, and Pulitzer Prize-winning historian Doris Kearns Goodwin, join "CBS This Morning" to discuss the importance of this Election Day.