This US presidential election is seen as one of the most bizarre in modern times, with Republican frontrunner Donald Trump setting the tone. But now Jeb Bush is joining in by questioning another candidate’s height and the boots he wears.

Mitt Romney won the Republican presidential nomination as a “turnaround man,” whose capacity to reinvent companies, and the 2002 Olympics, could be transferred to the nation and its troubled economy.

With momentum on President Barack Obama’s side, Mitt Romney sought to explain to voters more clearly what he would do as president as he looked to right his struggling campaign and ease worries in Republican circles about its state seven weeks before election day.