“The Square” (2017). Cast: Claes Bang, Elisabeth Moss, Dominic West, Terry Notary, Christopher Læssø, Lilianne Mardon, Lise Stephenson Engstrom, Director: Ruben Östlund. Screenplay: Ruben Östlund. Web site. Trailer. What does it mean to truly care for one’s fellow man? Some would contend that it involves more than just paying lip service to the notion or writing a check to a beloved charity; rather, they would say, it entails getting actively involved in bettering the well-being of others. But are we genuinely equipped to engage in such an activity? And, if so, what exactly does it take? Those are among the questions raised in the unusual and provocative new Swedish satire, “The Square.” Christian (Claes Bang) is the respected curator of [...]