MILWAUKEE — Unity was a major theme of the second night of the Republican National Convention, but GOP primary voters also got a look at what might have been. There were back-to-back primetime speeches by two of former President Donald Trump’s vanquished primary challengers, former U.S. Ambassador Nikki Haley and Gov. Ron DeSantis (R-FL). DeSantis immediately Unity was a major theme of the second night of the Republican National Convention, but GOP primary voters also got a look at what might have been in Ron DeSantis and Nikki Haley.