Florida Gov. Ron DeSantis’s (R) tumultuous week is underscoring the mounting challenges his campaign faces in the race against former President Trump. On Tuesday, the campaign announced it was laying off 38 staffers in an effort to “streamline operations and put Ron DeSantis in the strongest position to win this primary.” The round of layoffs was the second in recent weeks. The governor faced other awkward headlines as well, including news that his campaign fired a staffer who promoted Nazi imagery on social media. The recent stumbles and shake-ups are seen as further evidence that DeSantis’s campaign is struggling to...