
The presidential primary season kicks off in earnest with the Iowa caucuses on Monday 15 January, firing the starting pistol on what promises to be one of the most chaotic and atypical US election years in living memory.
Scandal-blighted Donald Trump remains the Republican frontrunner in almost all polls and is widely expected to cement his dominance over the GOP with a strong showing while the likes of Nikki Haley and Ron DeSantis have a chance to build momentum as the only serious challengers to the former president.