Growing 2020 Democratic field emphasizes unity, inclusion

In a growing 2020 Democratic field, candidates are crisscrossing the nation to pitch themselves as capable of defeating President Trump. The resignation of Homeland Security Sec. Kirstjen Nielsen and Trump’s fiery rhetoric on asylum seekers gave them plenty to talk about in recent days. Lisa Desjardins reports on Democratic reactions, plus campaign updates from Tim Ryan and Pete Buttigieg.