Raise your hand if you saw “Bladerunner.” Or read “The Martian Chronicles.” Or listen to the Top 40. My job in this column will be to convince you that they are all related and actually incredibly important to us. Since discussing Katy Perry’s video for “Wide Awake” last week, I can’t stop thinking about how smart...

Last week I drew from Benedict Anderson to introduce the notion of a national imaginary — those ideas and ideals that help link us to a national community from which we are otherwise separated by space and experience. Last week I discussed football; this week I’ll consider music and celebrity culture.   You might ask why I’m not talking about movies...