Raising barriers: A new age of walls

From the Daily Mail

From the Daily Mail

From the Washington Post: "A generation ago, globalization shrank the world. Nations linked by trade and technology began to erase old boundaries. But now barriers are rising again, driven by waves of migration, spillover from wars and the growing threat of terrorism."  This is a comprehensive presentation of three episodes with videos, graphs, and more.  To view, please click here.