BERLIN (Reuters) - Germans are leaving their country in record numbers but unlike previous waves of migrants who fled 19th century poverty or 1930s Nazi terror, these modern day refugees are trying to escape a new scourge -- unemployment. Flocking to places as far away as the United States, Canada and Australia as well as Norway, the Netherlands and Austria more than 150,000 Germans packed their bags and left in 2004 -- the greatest exodus in any single year since the late 1940s. High unemployment that lingers at levels of more than 20 percent in some parts of Germany and...