It’s been a couple of weeks since Jennifer Lawrence decided on a random Tuesday during back-to-school week to join Instagram after saying for years that she would never – at least not publicly. It was the most JLaw way to launch JLaw on IG: sarcastic but not mean-spirited, over it but funny. And, naturally, she hasn’t posted since. I don’t think anyone is out here thinking that JLaw finally decided to be on out on these social media streets just to indulge her inner influ