Applying the paint with the brush is just 10% of creating art, painter Mark Rothko tells his assistant in “Red,” onstage in a satisfyingly taut production from The Ensemble Company. “The rest is ...

Applying the paint with the brush is just 10% of creating art, painter Mark Rothko tells his assistant in “Red,” onstage in a satisfyingly taut production from The Ensemble Company. “The ...