Photo Illustration by Thomas Levinson/The Daily Beast/GettyWhen executives at Showtime pulled a VICE documentary exploring Florida Gov. Ron DeSantis’ experiences with Guantanamo Bay detainees, it was hard to ignore the timing: It was one day after DeSantis officially declared for president.The Daily Beast has obtained a transcript of that unaired documentary, “The Guantanamo Candidate,” which was anchored by Seb Walker, a longtime correspondent for the Emmy-winning newsmagazine.Among a number of