John Kerry joins Fareed to talk about what he has called a "constitutional crisis" at the White House, the upcoming 2018 midterm elections, and his plans for 2020.

On GPS: John Kerry joins Fareed to discuss what he has called a "constitutional crisis" at the White House, the Trump/Putin relationship, the upcoming midterm elections and...will Kerry challenge Trump for the presidency in 2020? Guests are John Kerry, Carl Bildt, and Jonathan Haidt. Airdate is September 9, 2018.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices