DES MOINES, Iowa (AP) — Donald Trump won the Iowa caucuses on Monday, seizing a crucial victory that reinforces the former president’s grip on his party at the outset of the GOP’s 2024 nomination fight even as he faces extraordinary legal challenges that could complicate his bid to return to the White House. The magnitude of Trump’s success is still coming into focus and it was not immediately clear who would emerge as the second-place finisher, Florida Gov. Ron DeSantis or former U.N. Ambassador Nikki Haley. Caucus voters endured life-threatening cold and dangerous driving conditions to parti…