THE REID HOFFMAN DEBATE. Tonight, four Republican candidates — Ron DeSantis, Nikki Haley, Vivek Ramaswamy, and Chris Christie — will gather for the fourth GOP presidential debate. Here's a weird fact. Two of those candidates, Haley and Christie, have received substantial donations from a Democratic tech billionaire named Reid Hoffman, who made the contributions in hopes of defeating former President Donald Trump in the primaries and reelecting President Joe Biden in the general election.