Ever since William Hague emphasised the importance of "our unbreakable alliance with the United States" in his speech in July 2010, the confidence in "the special relationship" was beyond any doubt. But where will it take the UK next?
AirForce One, a NCAA basketball game and an informal interview on the court, Barack Obama and David Cameron made it looks not only crucial but also cool - something that leaves George W. Bush and Tony Blair look jealous.
But British PM and American President will be under the pressure of making some difficult calls in the coming weeks and months.
