This past weekend, millions turned out in cities worldwide for antiwar protests – the largest since the Vietnam war – by groups opposed to US military action against Iraq. Tens of thousands in the United States recently braved frigid east coast weather and almost half-a-million people marched through Florence and Paris in what was promoted as one in a series in many Europe-wide anti-war rallies. Many of my fellow Democrats have been gushing about the hordes that have taken to the streets, basking in nostalgia about the street demonstrations over Vietnam that were a factor in changing government policy in...