Insurgents operating against the coalition and Iraqi security forces have become "desperate and isolated" in their attempts to stop progress, the commander of the latest task force to arrive in Iraq said today. During a briefing from Baghdad, Army Brig. Gen. Carter F. Ham, commander of Task Force Olympia, told reporters that insurgent activity continues in the north, where his unit took over military operations in early February. "We see this enemy taking the shape of former regime elements, extremists, as well as foreign fighters and international terrorists," he said. "Those cells, I believe, are becoming extremely desperate and isolated."...