MIAMI — The future of the Republican Party runs through Florida. And the future of the Florida Republican Party runs through Miami. The state long considered the nation’s biggest battleground reported solid red in November. Florida is now home to former President Donald Trump and his children. Out-of-state Republicans are flocking here for fundraisers, retreats and to make appearances at Mar-a-Lago. The state is led by conservative rising star Gov. Ron DeSantis, an early 2024 favorite on the right. ut Florida isn’t just the capital of Trumpism, and its electorate is no monolith. One Republican leader in the state has...