Rishi Sunak to become U.K.’s new prime minister

Read MoreFormer finance minister Rishi Sunak will be the next prime minister of Great Britain following the resignation of Liz Truss. Gillian Tett, editorial board chair and editor at large in the U.S. for the Financial Times, joined John Dickerson on “Prime Time” to discuss the challenges for the new Conservative Party leader.Former finance minister Rishi Sunak will be the next prime minister of Great Britain following the resignation of Liz Truss. Gillian Tett, editorial board chair and editor at large in the U.S. for the Financial Times, joined John Dickerson on “Prime Time” to discuss the challenges for the new Conservative Party leader.