'Mr. Burns, a Post-Electric Play,' from Woolly Mammoth debut to off-Broadway smash

NEW YORK -- The rapturous reception here for Anne Washburn's dazzling "Mr. Burns: A Post-Electric Play" is not only further validation of the ingenuity of an exciting young dramatist. It also affirms the play-building acumen of Woolly Mammoth Theatre, and by extension gives a boost to the new-play movement taking hold in Washington.