When you run down the list of issues the Oath Keepers are worried about, it reads a lot like a bill of particulars from the American Civil Liberties Union. The Oath Keepers don't like warrantless searches. They're upset that the executive branch has claimed the power to classify American citizens as enemy combatants, detain them indefinitely, and try them before military tribunals. They worry that a large-scale terrorist attack similar to 9/11 could lead to the mass detention of Arabs or Muslims, just as Japanese Americans were detained during World War II. They worry about crackdowns on political speech, protest,...