As much as you may feel US cabinet members are not up to the job, they are like international brain surgeons compared to their opposite numbers in the UK.
Consider the British Foreign Secretary, Harry Potter lookalike David Miliband (above). British cabinet ministers are chosen on their ability to essentially be PR reps for their respective Civil Service departments. The British establishment does not like it if they have the capacity for independent thought or action. The ability to read press releases convincingly is the only attribute needed for the job. It's also helpful, but not essential, if they can walk and talk at the same time.
So recently Miliband's officials had the chief wizard talking tough to Russia
Here is Russian Prime Minister Vladimir Putin and some of his officials considering their response
Methinks somebody in the British Foreign Office is having a laugh, no?