CNN  —  Florida Rep. Matt Gaetz strode into House GOP Leader Kevin McCarthy’s office on Monday night with a list of demands. Among them: The chairmanship of a key House Armed Services subcommittee. McCarthy rejected the offer. That decision set in motion a chain of events that left Gaetz and McCarthy locked in open confrontation on the House floor late Friday night. Gaetz, McCarthy’s staunchest opponent, dramatically denied McCarthy the final vote he needed to become speaker – then Gaetz and the last holdouts abruptly changed course allowing McCarthy to win the speaker’s gavel on his 15th attempt. See the moment Rep. Kevin McCarthy was elected House speaker Before the…