Sheboygan - A high school senior from Sheboygan is being investigated by federal authorities after allegedly threatening to kill President Bush. 18-year-old Matthew Rostollan allegedly made those threats during an after-school chess meeting at South High School. Sheboygan police say the student "had made statements that he wanted to get a machine gun and shoot into a crowd of people, killing them and also wanted to kill the President of the United States, mentioning President Bush by name." According to the criminal complaint, the suspect suffers from bi-polar disorder and is taking medication. Rostollan is being investigated by the Milwaukee...