March 09, 2018: Several state legislatures have passed or are considering gun control measures after last month’s mass school shooting in Parkland, Florida. Is this a turn pointing? The Takeaway has that story, plus a look at President Trump’s new steel and aluminum tariffs; new charges of environmental racism against the EPA; reviews of the films to catch and skip at the box office this weekend; why the new sci-fi novel “Children of Blood and Bone” is taking the book world by storm; and a poignant new documentary on race, sports, protest, and history.