Florida Gov. Ron DeSantis will make his first appearance in Iowa on Friday, an unmistakable flirtation for a top-tier Republican presidential contender that brings his expected bid for the White House a step closer to reality.

Republicans face a likely crowded field for the chance to challenge President Biden, who is expected to announce he's running for reelection. Here's who's in and who's thinking about a 2024 run.

Florida Gov. DeSantis' pugnacious approach to issues involving race, sexual orientation and public health has pushed him to the front of the race for the Republican presidential nomination.