For the Right Honourable Harry White, Britain's charismatic and politically savvy prime minister, it is a busy day like any other at 10 Downing Street. Every minute is packed with politics, people and policies, and the odd flirtation. There is a peremptory invitation to lunch with megalomaniac media lord Matt Drummond, a parliamentary rebellion to be batted away, an urgent call from the White House about a crisis in the Middle East. Until, finally,...