blackfilm.com correspondent Ellen J. Wanjiru speaks with Idris Elba and Caleb McLaughlin about their roles as an estranged father and son working to heal their relationship in the upcoming Netflix film, ‘CONCRETE COWBOY.’ Written by Ricky Staub, Dan Walser, produced by Tucker Tooley, Lee Daniels, Idris Elba, Dan Walser, Jeff Waxman and Jennifer Madeloff. Premieres April 2.