With Democratic incumbent Joe Biden, 81, polling historic-low approval ratings in the US despite a robust economy and falling unemployment, expectations of a second Donald Trump presidency in 2025 is gaining traction. Mr Trump’s decisive win in the Iowa caucus — taking 51 per cent of the votes, with challengers Ron DeSantis and Nikki Haley coming a distant second and third, respectively — has added momentum to that outcome. To be sure, Iowa, which kicks off the primary and caucus seasons for both parties, need not be considered a bellwether for the November 2024 polls. For one, the turnout dropped