But why in the world should the 21st century be exempt from the pathologies of the past 20 centuries? Are we smarter than the Romans? More innovative than the Florentines? Do we have more savvy leaders than Lincoln or Churchill? Are they more mellifluous than Demosthenes? Does anyone now remember that some 130,000 were slaughtered just 30 years ago in the former Yugoslavia, as NATO planes bombed Belgrade and nuclear America and Russia almost squared off?