Created by Jonathan Glatzer , “ The Audacity ” is returning for a second season, and its stars are ready for it.  “The stakes are high,” Billy Magnussen tells  Variety . “Jonathan has set up so many twists and turns,” adds “The Big Bang Theory” veteran Simon Helberg.  “As actors, we don’t tend to think ahead much, but these characters are so well-defined that you really want to see what will happen to them. You feel like you know them, you feel so invested in that world. That just comes from