For a week now, I’ve been bombarded with variations on the same question: “So what do you think about that cartoon?” The cartoon in question being the depiction of the outgoing BBC chair, Richard Sharp, which appeared on these pages last Saturday in a drawing swiftly denounced as loaded with age-old antisemitic tropes and then removed from the Guardian website later that same day. I didn’t want to sound off about the work of my colleagues on Twitter or on the radio, but I also thought it was a fair question to ask. After all, when other progressive institutions have...