Legions of blank-faced workers marching in lockstep, a bare-breasted woman dressed as a fallen angel suspended from the ceiling, dancers in their underwear simulating homosexual acts on a metal cart, robed Satanist-type figures bearing goat skulls, dancers in grass costumes worshipping a goat-headed man who "dies" and is resurrected. Is this some sort of bizarre witches' sabbat out in the woods? A Satanic black mass in the depths of an abandoned cemetery? No, it's the opening ceremony of the historic Gotthard Base Tunnel in Switzerland, attended by some of the most powerful leaders in Europe, including Chancellor Angela Merkel of...