One month from now, the Midwestern state of Iowa kicks off the US 2024 primary season, and Donald Trump will discover whether he has an insurmountable lead for the Republican presidential nomination, or opponents can spring a surprise. Four criminal indictments are pending against Trump, putting the former president at risk of imprisonment. Still, he has one of the biggest poll advantages in modern times over Republican rivals at this point in a campaign. Voters in the rural state of Iowa will open the primary season with the Iowa caucuses on January 15.