Lifetime appointments, alert systems, China and the US have a near miss at sea

As the FBI gets ready to wrap up its investigation into Supreme Court nominee Brett Kavanaugh's past, we ask which other countries appoint justices for lifetime positions on their highest courts? Also, did you receive the test alert from US President Donald Trump on Wednesday on your mobile phone? We explore other alert systems around the world. And, the back story on a naval confrontation between China and the US.