In February, the producers of the Broadway musical “Natasha, Pierre & the Great Comet of 1812” proudly announced that Okieriete “Oak” Onaodowan, a member of the original “Hamilton” cast, would step into the show’s lead male role after the departure of Josh Groban. But this week, the producers abruptly cut short Mr. Onaodowan’s expected nine-week… Read More Diversity or Celebrity? Cast Change at ‘Great Comet’ Prompts Outrage