THE FRONT-RUNNER for the Republican presidential nomination, former Massachusetts governor Mitt Romney, will formally declare his candidacy in New Hampshire today. Romney received 17.4 per cent of intended votes in the “Real Clear Politics” average for the April 10th to May 26th period. But the Gallup polling institute calls him “the weakest front-runner in any recent Republican nomination campaign”. Romney’s announcement has been upstaged by the antics of the former vice-presidential candidate Sarah Palin, who launched a “One Nation” roadshow wearing a black leather jacket and storming into Washington on the back of a Harley Davidson motorcycle on May 29th....