The Pitch: In 2012, America lost its Voice — Whitney Houston, the once-in-a-generation pop music icon, tragically died at the too-young age of 48. She was on the verge of a comeback after a stint in rehab, haunted by the twin specters of drugs and expectation; that we never got to see that beautiful second act makes her passing all the more tragic. In the meantime, we’ve got the songs and story Whitney left behind, and Kasi Lemmons’ I Wanna Dance with Somebody (or, as Sony’s SEO-focused title change goes, Whitney Houston: I Wanna Dance with Somebody) tries to stuff that into a two-and-a-half-hour speedrun of her life and career, featuring Naomi Ackie as the tragic figure. We see her early days as a gospel singer, groomed for greatness by her ambitious mother Cissy (a perfectly-balance...