'Atlanta' Season 4 offers an unflinching look at family. Here's why that's important.

In "Alligator Man", the opening act of Atlanta Season 2, viewers were given a glimpse into the shared family life of Earn (Donald Glover) and Alfred (Brian Tyree Henry). In the episode, Earn pays a visit to his uncle and Al's father Willy (Katt Williams, whose performance in the episode won him an Emmy). At the time, Earn is on...