By ASHRAF KHALIL, Associated Press WASHINGTON (AP) — The family of slain Saudi journalist Jamal Khashoggi has filed a federal lawsuit accusing Saudi Crown Prince Mohammed bin Salman of personally ordering Khashoggi's brutal execution in order to silence the high-profile government critic. The lawsuit was filed Tuesday in Washington, D.C., on behalf of Khashoggi's fiancee Hatice Cengiz and Democracy