Dear Iggy Azalea: I am Anne Gus—journalist, social-justice activist, and reigning Queen of Thought Catalog. I know you’re finding it hard to believe that someone like me would bother writing to someone like you, and I know that you might be a teeny bit starstruck right now, but you’ve, like, been on my radar for a while now and I can’t remain silent about you any longer…I can’t let your atrocities go, like, unchallenged anymore…so congrats, I guess you can consider yourself officially famous now that I’m talking to you…or whatever. Iggy, in many ways we’re very similar people. We’re...