Reviewed by GREG KINGDirector: Michael GraceyStars: Hugh Jackman, Michelle Williams, Zac Efron, Zendaya, Rebecca Ferguson, Keala Settle, Sam Humphrey, Yahya Abdul-Mateen II, Ellis Rubin, Skylar Dunn, Paul Sparks, Byron Jennings.Hugh Jackman dances and sings up a storm in this musical biopic about American showman Phineas Taylor Barnum (1810-1891), a pioneer and visionary entrepreneur and creator of …