What goes on behind the scenes of campaign polling? When did American campaigns stop focusing on policy and become all about themes? How do parties use polls to change their tactics?Rory and Alastair are joined at the Democratic National Convention in Chicago by John Anzalone to discuss all this and more.TRIP Plus:Become a member of The Rest Is Politics Plus to support the podcast, receive our exclusive newsletter, enjoy ad-free listening to both TRIP and Leading, benefit from discount book prices on titles mentioned on the pod, join our Discord chatroom, and receive early access to live show tickets and Question Time episodes.Just head to therestispolitics.com to sign up, or start a free trial today on Apple Podcasts: apple.co/therestispolitics.TRIP TOUR:To buy tickets for our October Tour, just head to www.therestispolitics.comInstagram:@restispoliticsTwitter:@RestIsPoliticsEmail:restispolitics@gmail.comPodcast Editor: Alice HorrellVideo Editor: Teo Ayodeji-AnsellSocial Producer: Jess KidsonProducer: Nicole Maslen + Fiona DouglasSenior Producer: Dom JohnsonHead of Content: Tom WhiterExec Producers: Tony Pastor + Jack Davenport Learn more about your ad choices. Visit podcastchoices.com/adchoices