“Life is like a box of chocolates. You never know what you’re gonna get.” Sage advice from the philosophizing Forrest Gump. The same can be said of Jane Austen adaptations. Last nights US premiere of screenwriter Sandy Welch’s newly retooled Emma on Masterpiece Classic had its mix of nuts, chews and soft centers. Most viewers will be tempted to consume it quickly like the beautifully crafted confection that it is. I prefer to take a small bite first to see what I’m getting.