Bolton is a peculiar and stubborn man – you can tell that from his moustache. He’s also a greedy hack. Earlier this year, when all his old neocon NeverTrump allies were begging for him to testify in the president’s impeachment trial, he decided to stay quiet. He wanted to keep his powder dry for his tell-all book, no doubt in some small part because he was offered a $2 million (£1.6m)