For the last 500 years, since Columbus "discovered" the New World, controversy has raged. Was he the first? Was there sustained travel and trade between Europe and North America, back at the dawn of America's history, 4500 years ago? How did the peopling of the Americas really happen? In this controversy, the ancient copper mines of Lake Superior (Kitchi-Gummi) have become an undeniable piece of hard evidence. There have been several books written...