There’s pie in the sky, and then there’s seven-layer cake daydreams. Apparently, Waukegan Mayor Ann Taylor had the latter this week. That’s when she didn’t have visions of sugarplums, but of the Chicago Bears finding a home in Waukegan for its $5 billion domed and multiuse football stadium plan. Can you say Hail Mary? Taylor became the latest suburban official to play the Bears baiting game.