by Olivia Ward, Toronto Star, Canada - As Italian Prime Minister Silvio Berlusconi vows to evacuate 6,200 refugees fleeing North African turmoil from the island of Lampedusa, hundreds more are headed for its shores in rickety boats. Meanwhile, refugee camps on the borders of Tunisia and Egypt house thousands of destitute migrants who fear violence in Libya. And millions of Iraqis and Afghans are still homeless after years in exile from continuing conflicts.