With Ron DeSantis suspending his presidential campaign on Sunday‚ Nikki Haley gets the one-on-one match-up with Donald Trump for which she's been longing. "At one point in this campaign‚ there were 14 of us running‚" she says in an email fundraising pitch‚ sent out shortly after the DeSantis news broke. "But today‚ it's officially a two-person race between me and Donald Trump!" Ms Haley's showdown with Mr Trump in the state-by-state contest to choose a Republican presidential candidate...