"Leaving the world's most populous and fastest growing economy - at least for now - would be a wrenching financial decision, but it also would draw an important bright line about how far Western companies should go in their lust for the almighty dollar, or yuan or whatever the currency may be. Say what you will about China's march toward capitalism; it's still a state-controlled country where taking the world's money is fine as long as no one steps out of line."