Now playing Next USA Republican debate turns into cock fight – Trump defends size of his man parts After two hours of personal insults, the latest presidential debate in Detroit dealt an astonishing blow to the growing “Stop Trump!” movement in the 04/03/2016
Now playing Next USA Trump tones down rhetoric against rivals after Super Tuesday wins In his victory speech, the billionaire businessman struck a different note and was generally conciliatory towards his Republican rivals but Trump 02/03/2016
Now playing Next world news Clinton and Trump dominate in Super Tuesday voting Republican Donald Trump and Democrat Hillary Clinton rolled up a series of wins on Tuesday, as the two presidential front-runners took a step toward 02/03/2016
Now playing Next world news Suspense as the US awaits results from Super Tuesday primary ballots Super Tuesday is seen as a crucial stage in the race to confirm who is favourite to be the Democrat and Republican presidential candidates 01/03/2016
Now playing Next USA Marco Rubio's rapid rise to the race for the White House It has been a rapid rise for Marco Rubio the son of Cuban immigrants who arrived in the US in 1956. Since his election to the Florida legislature in 01/03/2016
Now playing Next USA Ted Cruz: populism, conservatism and religion in the race for The White House On the night of February 1 the Republican senator, Ted Cruz enjoyed his one and only victory to date over Donald Trump who is topping the polls as 01/03/2016
Now playing Next USA Virginia kicks off voting in crucial 'Super Tuesday' US primaries “Super Tuesday” is underway – the make or break series of US primaries that will really put to the test the dominance of the presidential 01/03/2016
Now playing Next USA Bush is back: George W endorses brother Jeb in South Carolina Bush is back… Just days ahead of the next primary vote, former US President George W Bush has come out in support of his brother Jeb. The move ahead 16/02/2016
Now playing Next World 'Now the empires have to strike back': what next for US presidential candidates? The second bruising battle of the US primaries has given a little more clarity to the nomination race. To find out how and what could be next for 10/02/2016
Now playing Next USA Trump and Sanders claim victory in New Hampshire As the winners of the New Hampshire primary quickly became clear the victors, Republican Donald Trump and Democrat Bernie Sanders thanked their 10/02/2016
Now playing Next USA New Hampshire: Trump tipped to triumph, but everything still to play for The US presidential race kicks off in earnest. All is to play for as New Hampshire holds the country's first Primary election. 09/02/2016
Now playing Next USA New Hampshire: what the pivotal primary means for White House hopefuls All eyes are on New Hampshire this Tuesday in the race to become the next US president. It is holding the first primary in the state-by-state process 09/02/2016
Now playing Next world news New Hampshire: Dixsville Notch results in Kasich wins for Republicans while Democrats go for the Bern 09/02/2016
Now playing Next USA Trump and Sanders lead ahead of New Hampshire primary Trump and Sanders lead ahead of New Hampshire vote Rumours of staff shake-up in Clinton campaign Preparations are underway for today’s New 09/02/2016
Now playing Next USA US: Rubio under fire from rivals during Republican presidential debate As the race for the US presidential nomination heats up ahead of the New Hampshire primary on 9 February, the crowded Republican pack slugged it out 07/02/2016
Now playing Next USA US primaries: Trump leading Republican pack, Sanders gaining on Clinton Donald Trump continues to be the frontrunner to become the Republican candidate for US president ahead of the New Hampshire Primary on 9 February. 06/02/2016
Now playing Next USA God’s own country prefers candidates seen as least religious, study finds Unlike in Europe, religion has long been a staple of politics in America. US presidents and candidates for the highest office believe that they have 28/01/2016
Now playing Next USA Where do US presidential candidates stand on foreign policy? Presidential election campaigns in the United States are typically not about foreign policy issues – until they are. Yet, the ongoing war against 26/01/2016
Now playing Next USA Trump-Cruz vendetta at centre stage in aggressive Republican debate With just 18 days to go until the Iowa caucuses, the leading US Republican candidates for president candidates faced off in their sixth debate of the 15/01/2016
Now playing Next world news The US Republican debate - blow-by-blow Republican presidential rivals spar in Vegas 16/12/2015