TV highlights: Amy Sedaris stops by 'The Tonight Show Starring Jimmy Fallon'

Patricia Clarkson hosts "PBS Previews: The Roosevelts" (WETA at 8:30 p.m.), a sneak peek at the Ken Burns's seven-part documentary about Theodore, Franklin and Eleanor that will premiere on local PBS stations in September. Also included in this one-hour special: A tour through the family's grand estates and the studio where Burns recorded actors reading their diaries and letters.