A Haley victory would usher in a more competitive phase of a primary that Trump has so far dominated. A Trump win, however, could create a sense of inevitability around the prospect that he could become the GOP nominee for the third consecutive time.
The Des Moines Register/NBC News poll released late on Saturday gave Trump 48 per cent, while former South Carolina Governor Haley jumped to second place with 20%, pushing Florida Governor DeSantis to third place with 16 per cent.
Americans head to the polls later this year in what will be a closely watched presidential election.Here is the way the process will play out between now, November's vote and next year's swearing-in.
More than two billion voters will head to the polls, including in the world’s three largest democracies India, the US, and Indonesia. The first of these will be Indonesia where general elections are scheduled for February 14 when over 200 million voters will cast their ballots.