Gov. Ron DeSantis’ campaign is reportedly trolling Republican presidential rival Nikki Haley as “too coward” to duke it out in a one-on-one debate. The Florida governor is offering two tickets to a slated Jan.15 debate that has been announced by CNN days before the Jan. 23 Caucus (and without the GOP’s backing) as part of a sweepstakes. So far DeSantis is the only committed GOP contender, according to The Daily Mail. POLL: Should Trump be allowed to run for office? The campaign is offering consolation prizes just in case nobody commits or if it’s cancelled, and taking some shots at the former …