"I was thinking about Laura being 27, " she added of Laura Osnes, the musical's leading lady.

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It doesn't help that Mark Brokaw, the director, seems to have told everyone in the cast but Ms. Osnes to camp it up.

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And the show, which will open on Broadway for the first time on Sunday, in a production starring Laura Osnes, has itself been repeatedly transformed from one thing into another and then another still.

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