Rep. Jamie Raskin’s difficult 2021 began with burying his son the day before Jan. 6, when he and other members of his family were threatened by the violent insurrection., an event that compelled him to lead the charge of impeachment against its instigator weeks later. 

It’s all movingly described in his new book “Unthinkable: Trauma, Truth and the Trials of American Democracy” and is told again in the documentary “Love & the Constitution” (MSNBC, 10 p.m.). 

Joseph Sikora’s Tommy character from “Power” moves to Chicago in his own series “Power Book IV: Force” (Starz, 9:15 p.m.). The cast includes Lili Simmons, Shane Harper and Tommy Flanagan from “Sons of Anarchy” and its spin-off “Mayans M.C.” It follows the latest episode of “Power Book II: Ghost” (Starz, 8 p.m.). 

The nail salon crime drama “Claws” (TNT, 9 p.m.) comes to an end with its series finale. 

“30 for 30” (ESPN, 8:30 p.m.) has an hour-long documentary on the tuck rule that aided Tom Brady’s first postseason win in 2002. 

In many ways, the earlier history of Bill Cosby is more surprising on the series “We Need to Talk About Cosby” (Showtime, 10 p.m.).

“Somebody Somewhere” (HBO, 10:30 p.m.) has already been renewed for a second season. 

Prince is surprised to have his bid challenged on “Billions” (Showtime, 9 p.m.).