Tamara Keith and Amy Walter on 2020 labor vote, gun policy

NPR’s Tamara Keith and Amy Walter of the Cook Political Report join Lisa Desjardins to discuss the latest political news, including President Trump’s attacks on unions and how 2020 Democrats are courting this crucial voting bloc, the status of gun safety legislation after another mass shooting, and what a trend of retirements and resignations among House Republicans says about minority politics.