You've spent the morning shopping and strolling through Lakeview, and now you are ready for lunch. If you want to treat yourself to a guilty pleasure, slip on your Groucho Marx mask and step inside the wonderful world of Canton Expressthe best, the greasiest, the most unashamedly dingy Chinese place in town. Most of its business is take-out. But if you don't mind being seen, splurge and order a...