Jennifer Senior: Let the culture wars begin. Again.

The Republican convention at last begins this week, and much of it will be virtual, which makes it very 2020. Yet as strange as it is to say — and bear with me here — something about this moment brings to mind the Republican convention of 1992.Does anyone remember that dark pageant of apocalyptica? The parallel circumstances are worth noting. Like Donald Trump, George H.W. Bush was a Republican incumbent with pitiful approval ratings and terrible poll numbers compared with his modera