HBO's 'Watchmen' explores America's super-legacy of white supremacy

HBO is streaming the 2019 series Watchmen for free from June 19 through June 21, as well as airing a marathon of the show over the weekend. This timing is not coincidental — June 19 is Juneteenth, a non–federally recognized American holiday that commemorates the final reading of the Emancipation Proclamation to enslaved...