Homeland security says northern border at risk.

• Position: YOUR LIFE

The U.S. is at risk from invasion through its northern border, a 4,000mile stretch of mostly unattended territory in 12 states, with the confirmed presence of a number of terrorist and extremist groups in Canada, states a report from the Department of Homeland Security, Washington, D.C. "The primary threat along the northern border is the potential for extremists and their conveyances to enter the U.S. undetected," the report maintains. "There is an undisputed presence in Canada of known terrorist affiliate and extremist groups, including Hamas, Hezbollah and the Armed Islamic Group of Algeria:'

While the U.S. and Canada proudly have boasted that the dividing line between the two nations is the longest undefended international border in the post-9/11 world (there even is an International Peace Garden straddling the boundary on the edge of North Dakota), concerns over the movement of terrorists and their weaponry into the U.S. have increased exponentially--especially since it was revealed that, even before the attack on Sept. 11,2001, an Algerian-born operative for Osama bin Laden's network was caught crossing from Canada into Washington with a truck loaded with bomb-making materials...