Omnipresent amid all the frenzy of Shanghai is that famous portrait, that modern icon. The faintly smiling, bland, yet somehow threatening visage appears in brilliant red hues on placards and posters, and is painted huge on the sides of buildings. Some call him a genius. Others blame him for the deaths of millions. There are those who say his military reputation is inflated, yet he conquered the mainland in short order. Yes, it’s Colonel Sanders.