“News broke Wednesday and Thursday that Canadian Prime Minister Justin Trudeau dressed up in brownface or blackface makeup multiple times in the past, spurring speculation about what the political consequences might be for him. Also this week, comedian Shane Gillis was announced as a new face on “SNL” and then fired soon after, when relatively recent videos emerged of him making racist, sexist, and homophobic jokes. Both incidents have renewed debate about so-called “cancel culture” — whether it’s too punitive, or if it serves as a way for marginalized people to reclaim power.”