What if Bush were as eager to control guns as WMD? By Jonathan D. Tepperman and Avi S. Gesser NEW YORK - This week, as United Nations weapons inspectors returned to Iraq after a four-year absence, George W. Bush, bolstered by the midterm election mandate, reiterated the need to keep Iraq free of weapons of mass destruction (WMD) - by going to war if necessary. Disarming Iraq has become central to Bush's controversial new national security doctrine that declares Washington has the right to take preemptive action against any nation that threatens it or its allies (unless, it seems, the...