3:37: American culture commentator Sheri Parks discusses Donald J. Trump’s candidacy for president and how it has further alienated American minorities from the Republican Party. Parks is associate dean in arts and humanities at the University of Maryland, College Park, and a Roughly Speaking contributor.25:33: Baltimore Sun media critic David Zurawik reviews news coverage of the Republican convention and the forced resignation of Roger Ailes as CEO of Fox News.42:40: Book critic Paula Gallagher recommends six novels: "This Must be the Place," by Maggie O’Farrell; "Dark Matter," by Blake Crouch; "Disappearance at Devil's Rock," by Paul Tremblay; "You Will Know Me," by Megan Abbott; "The Unseen World," by Liz Moore; "How to Set a Fire and Why," by Jesse Ball.59:16: Film critic Christopher Llewellyn Reed reviews new movies and talks about films to be released in the coming weeks, including a remake of the Hollywood epic, "Ben-Hur."