How to watch the fourth Republican presidential debate — cable, streaming and broadcast TV

By MEG KINNARD and STEVE PEOPLES

COLUMBIA, S.C. — The number of candidates on stage is shrinking, but the fundamentals of Wednesday’s Republican presidential debate may be familiar to anyone who has watched the previous three meetings.

No one has yet emerged as the clear Republican alternative to former President Donald Trump, whose lead is so big that he has skipped all the debates. Former United Nations Ambassador Nikki Haley and Florida Gov. Ron DeSantis appear to be leading the fight for a distant second place...