I know the intro to Liquid Lines usually has some biting sarcasm, but I don’t know if I’m feeling it this week. It’s not that there isn’t material. I mean, 45 years after Woodstock’s “three days of peace and music,” the warped patriotism of the Republican National Convention presented the antithesis of all the social progress gained in this country. They could have dubbed it “three days of hate… to music that the artists asked us not to use.”

And then you have the sorry state of affairs in Philadelphia this week, where the passion is playing out in the…