The Republican Party lost the 1964 presidential election by a nearly unprecedented margin.
Democrat Lyndon Johnson won a landslide victory over Republican Barry Goldwater — but the defeat had a silver lining. It sowed the seeds for the modern conservative movement that would eventually sweep Ronald Reagan to the presidency in 1980.
So how would a Donald Trump loss in the 2016 election affect the GOP? Here & Now's Jeremy Hobson discusses with historian Julian Zelizer.
This segment aired on October 20, 2016.