It's been?a cathartic week in Chicago for Democrats, who will wrap their convention tonight with the historic nomination of Vice President Kamala Harris. But well before the last balloon falls, Democrats are steeling themselves for a tough fight ahead, especially when it comes to the economy. Stephanie Flanders is the Head of Economics coverage at Bloomberg, and Leslie Vinjamuri is Director of the US and Americas program at the international affairs think tank Chatham House. They join Christiane to discuss what policy and messaging Harris needs in the next 75 days.?

Also on today's show: Jonathan Blitzer, Author, "Everyone Who Is Gone Is Here"; tennis icons Chris Evert and Martina Navratilova?