Joe Biden wrote to his son Hunter and others close to him using the pseudonym “Peter Henderson” – a fictional Soviet Union-era spy in several Tom Clancy novels who infiltrated the US government, emails show. The messages contained on Hunter’s abandoned laptop appear to indicate the then-VP started using the fictitious mole’s moniker in October 2016 while forwarding a YouTube video to his son Hunter, brother Jim, daughter-in-law Hallie, as well as his sister and longtime political strategist Valerie Biden Owens. Biden sent the message using an email address with a username of “67stingray” — a clear reference to his...