What’s the going rate for the US ambassadorship to London? Apparently around $2.3 million, judging by President Obama’s latest appointment to the Court of St. James’s, the most prestigious diplomatic posting in the world for a US official. This is the amount personally raised by Matthew Barzun, the chief fundraiser (finance chairman) for Barack Obama’s 2012 re-election campaign, which raked in $730 million in total. Mr Barzun, an internet businessman, was handpicked by the White House to be Obama’s representative in London, despite the fact he has no connection to modern-day Britain and his main qualification for the job appears...