Goodwin; 'The Best of Enemies'; Gardner

Presidential historian, Doris Kearns Goodwin, reminisces on her relationship with President Lyndon B. Johnson upon the e-book release of her 1976 title, "Lyndon Johnson and the American Dream." Directors Morgan Neville and Robert Gordon introduce their documentary film about authors William F. Buckley and Gore Vidal, "Best of Enemies." Senator Cory Gardner, (R) Colorado, joins guest host Al Hunt to discuss relationships with fellow senators, 2016 presidential candidates, and the Iran nuclear deal.