DETROIT (Reuters) - A federal judge on Tuesday acquitted seven members of a U.S. Midwestern militia group of all major sedition and conspiracy charges against them, two years after the FBI began arresting them following a long undercover surveillance operation. The seven, members of a group known as the Hutaree, were accused of plotting to kill law enforcement officers as a way to incite a wider rebellion against the U.S. government. Defense attorneys had argued their actions were protected by their First Amendment free speech rights. In her ruling on Tuesday, U.S. ...