Voices around the world, from Europe to America to Libya, are calling for U.S. intervention to help bring down Moammar Gadhafi. Yet for bringing down Saddam Hussein, the United States has been denounced variously for aggression, deception, arrogance and imperialism.A strange moral inversion, considering that Hussein's evil was an order of magnitude beyond Gadhafi's. Gadhafi is a capricious killer; Hussein was systematic. Gadhafi was too unstable and crazy to begin to match the Baathist apparatu...