It’s fitting that Cloud Atlas, an inherently brave commercial and artistic venture, places heavy thematic emphasis on instances of human bravery in its sprawl of interwoven plot lines. Andy and Lana Wachowski haven’t built their career together by making cinema that follows traditional notions of filmmaking, after all– going back to 1999, The Matrix completely rewrote the rules of action films in terms of how they’re crafted both visually and thematically, while 2008’s Speed Racer very much defied standards of editing and storytelling in trippy, audacious ways. Taking all of that into account, Cloud Atlas might almost feel like an expected work from the Wachowskis– like the other movies of their oeuvre, it bucks convention, specifically…