On Monday, Gov. Ron DeSantis of Florida went out on a limb. On Tuesday, it snapped.
A day after he swooped into the Republican main for Kentucky governor with a last-minute endorsement — a transfer that turned the race into an apparent proxy combat between himself and former President Donald J. Trump — Mr. DeSantis watched his chosen candidate lose in a landslide to the Trump-backed rival.
To make issues worse for Mr. DeSantis, a Republican he had endorsed conceded to a Democratic opponent…
