American Son
"That's it?" is likely to be one's reaction at the conclusion of playwright Christopher Demos-Brown's tidy topical 90-minute racial drama "American Son." Theater enthusiasts often rhapsodize about Broadway's Golden Age, the 1920's to the 1960's, when straight plays filled theaters. Mr. Demos-Brown's effort does harken back to that era by crafting a well-constructed minor vehicle for actors of the sort that could have…