John Hopewell Chief International CorrespondentBuilding its presence in Europe, ViacomCBS International Studios (VIS) has closed a deal with on-the-rise Spanish production company Fasten Films to co-produce “Pastor,” a social-issue drama.Created and written by Natxo López, the creator of “Stolen Away” and writer for Mediaset España banner series “Caronte,” “Pastor” will be directed by Spanish film-TV helmer Jorge Dorado, acclaimed for his work on “The Head,” but with credits reaching back to