Sample the upcoming Ken Burns documentary THE ROOSEVELTS: AN INTIMATE HISTORY in this exclusive PBS Preview. Patricia Clarkson hosts this behind-the-scenes look at the seven-part series, as filmmaker Burns describes how he brings the story of Theodore, Eleanor and Franklin Roosevelt to life. Follow the camera crews into the grand estates and intimate cottages of the Roosevelts. Visit the studio as Burns records the voices of the stars who read the diaries, letters and contemporary accounts of this noteworthy family. And see clips from the monumental series that traces more than a century of life with, as Burns calls them, "the most influential family in American history. "