Picture a group of actors — commercial actors all, who routinely portray characters — in a room with a couple of devices that are used to digitally change their skin color to match that of a black person and literally reverse their noses. Imagine whatever comes to mind after reading that. Most likely, you’re thinking “Why is that guy wearing that?” and “Why is he making that face?”

The actors, however, know why, and when they are 50e0806aeb elvemm