A home invasion and attack near Duluth a week ago has set off a political firestorm that may reach all the way to China. Peter Yuan Li said he was tied up and beaten in his Chatburn Way home by several men on Feb. 8. The men spoke Korean and Mandarin and left behind certain valuables, including a camcorder and television, but took his computers, a phone and his wallet, according to Li. They also demanded unspecified documents and pried open two file cabinets, he said. But Li claims it was no ordinary robbery. The culprits, he said, were Chinese...