First it was his comments about the Olympics. Mitt Romney, while largely laudatory, also spotlighted some stumbling by the organizers. Prompting both the mayor of London and Prime Minister David Cameron to respond.
Then Romney publicly disclosed he had met with the head of MI-6, the British intelligence agency. A breach of protocol, because MI-6 normally doesn’t disclose who it meets with.
The British press pouncing over both incidents. At a time when Romney is trying to shore up his foreign policy image, coming across as less-than-diplomatic.