Lorita Powell couldn't erase the smile on her face. It wasn't just comedian Sinbad's performance that made her beam; it was also the new Burnsville Performing Arts Center, where he'd performed. "This is wonderful," said the longtime Burnsville resident as she showed off the town's new $20 million jewel to a friend from St. Paul. "What a great asset to the community. I'm proud to be in Burnsville." Ask anyone who has been to the sparkling new facility and its 1,000-seat main theater, and they will gush like a Twins fans at Target Field. But the bad news has been...