SPOILER ALERT: This story contains details of tonight's The Carmichael Show Season 2 finale. Wrapping up its second season tonight, The Carmichael Show continued its proposition of staying topical and straddling the great contemporary American divides. Early on in its 13-episode run, the Jerrod Carmichael co-created and starring series took on Bill Cosby and the allegations by over 50 women that the actor drugged and sexually assaulted them over the decades. With the…