A feast of yuletide plays
In today's Wall Street Journal I review three webcast productions of A Christmas Carol and a webcast of The Steadfast Tin Soldier. Here's an excerpt. *  *  * Stage versions of "A Christmas Carol" are the "Nutcrackers" of a growing number of American theaters, sure-fire annual cash cows that are both good shows and safe ones"not only because Charles Dickens's parable of the power of grace is unive…