As the post-recession job market continues to improve, so has young adults’ optimism about their future opportunities, a Federal Reserve Board survey shows. What’s poignant about this youthful optimism is that a changing labor market is making it increasingly difficult for young adults to get their careers off to the right start. Surely, they sense this. Nearly two-thirds of adults between ages 18 and 30 told the Federal Reserve in a 2015 survey featured in a recent webinar that their schedules in “permanent” jobs were changing daily, weekly, or monthly. They strongly prefer future job stability over higher pay, despite the trendy flexibility of the “gig” economy, Uber driving, and freelancing. “Permanent employment is not the same as stable employment,” Amy…