By Trevor Hunnicutt WASHINGTON (Reuters) – U.S. President Joe Biden will fix his gaze on one of the prizes of the 2024 election three days after Donald Trump’s Iowa Republican primary triumph, taking his economic pitch to closely contested North Carolina on Thursday. After Trump’s 51% win in the Iowa caucus cemented his front-runner status for Republicans, Biden heads to North Carolina, the state his Democrats are most optimistic about converting in 2024. Trump narrowly won the state in 2020 by 74,483 votes and 1.3 percentage points. The trip, tied to the rollout of new funds for broadband int…