As Sri Lanka teeters on the brink of civil war half a world away, Canada is cracking down on a rebel group that has long relied on expatriate funding to fuel its fight for an independent homeland there. With the largest concentration of Sri Lankan Tamils living abroad, Canada has been a key revenue source for the separatist Tamil Tigers. One of the first major acts of Canadian Prime Minister Stephen Harper’s new Conservative government this spring was to declare the Tigers a terrorist organization, a move the previous Liberal government had resisted. Full Story