border1Lone-wolf terrorists heeding Islamic State’s call to attack inside North America could move easily between the U.S. and Canada, where the enormous border cuts through four Great Lakes and vast areas of remote tundra crisscrossed by back roads seldom seen by either nations’ border patrol agents, experts say. Last month’s attack on the Canadian capital sparked fresh concerns about the potential cross-border movement of jihadists, an issue former CIA Acting Director Michael Morell raised last month, saying terrorists radicalized in Canada can easily make their way into the U.S. But Canada may have just as much to fear from terrorists coming north from the U.S., and experts say the only practical solution is close cooperation and careful monitoring of threats by both governments. More