Friday on the NewsHour, President Trump names retired Adm. Joseph Maguire as acting director of national intelligence. Plus: The enduring emotional toll of Michael Brown’s death on Ferguson, 2020 Democrats attend the Iowa State Fair, the latest politics with David Brooks and Jonathan Capehart, reviving Polish Jewish music and a remembrance of the 31 people killed in last weekend’s mass shootings. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: / newshour Instagram: / newshour Snapchat: @pbsnews Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe