The number of delegates differs between the parties, but both will have thousands of delegates representing 50 states, Washington, D.C., and multiple U.S. territories.

In addition to delegates who are bound to a candidate based on the results of the nominating contests, there is also a relatively small number of unbound delegates (142 total) from Pennsylvania ...

Florida Gov. Ron DeSantis, a Republican, is the No. 1 most attacked presidential candidate in the race so far. DeSantis is solidly in the No. 2 spot in the GOP primary, sitting squarely behind ...

For lesser-known candidates like former U.S. Rep. John Delaney, the debates could be an opportunity to break through. But only so many Democrats can take the stage.