a thin skin. It was not especially clever given he may well be dealing with a President Romney come next January. Johnson's mockery of Romney was inappropriate. It got a lot of raucous applause and will no doubt win him greater notoriety in the U.S. and plaudits among Democrats and the Left generally. But it was cheap and unbecoming. Given Johnson's aspirations to become a Prime Minister who could also be have to do business with a President Romney, it was reckless. Romney is not the kind of man to forgive or forget Johnson's schoolboy performance. Ceremony: The American politician is in London this week for the start of the Olympics In the U.S., both Cameron and Johnson came across as small-time figures pandering to lowest-common-denominator anti-Americanism to boost themselves. As ever, the British press seemed petty and obsessed with symbols and snubs. It may well be that what happened in London makes no difference at all to Romney's chances in November's presidential election. The antics of British politicians matter a lot less in Washington than they would like to think. By far the most important stop of Romney's visit is Israel. Obama is vulnerable on the issue of support for the Jewish state. The former Massachusetts governor could also score points in Poland, which felt abandoned  by Obama when he ended Bush's missile defence programme. In both countries, the reception for Romney is likely to be more respectful and more grown-up than what he experienced in Britain. But Romney