The children of Hong Kong democracy activist Jimmy Lai are speaking out after their 78-year old father was sentenced to 20 years in jail for violating national security laws. Lai, who is a British citizen, denies all charges, saying he's a political prisoner, the target of persecution from Beijing. Correspondent Kristie Lu Stout reports from Hong Kong. 

Also on today's show: Rush Doshi, Senior Fellow, Council on Foreign Relations; Tom Tugendhat, British Conservative MP; Dara Massicot, senior fellow in the Russia and Eurasia Program, Carnegie Endowment for International Peace; Former US National Security Adviser Jake Sullivan