This week, the rumors became reality as Florida Governor Ron DeSantis and South Carolina Senator Tim Scott announced their long-awaited presidential campaigns. The contrast between the two events foreshadowed all of the big questions for next year’s Republican primaries. Tim Scott, who is a favorite among his senate colleagues — but who is mostly unknown outside of his home state and the Washington, D.C., fundraising circuit — preached optimism and unity while sharing the stage with his mother. Ron DeSantis, on the other hand, did something a little different. He announced his campaign on Twitter Spaces with Elon Musk. But for many, the event’s glitchy start was more memorable than DeSantis’s stern message to fellow Republicans. It was the perfect setup for the choice Republicans will have to make in Iowa, New Hampshire, and beyond: Do they want a president who follows in Ronald Reagan’s footsteps – one who is optimistic and driven by ideas – who shakes hands and kisses babies?...