<p>YKTYVKAR, Russia - All the men in Major Igor Nevzorov's crack antiterrorism unit won medals for valor under fire when they led the Russian troops who stormed into Chechnya's capital, Grozny, two years ago.</p>
<p>But when their commanders ordered them back to the war-wrecked separatist region last month, Nevzorov and his men refused to go.</p>