Reposting from previous bread; links deal with how Obama/Trump could be a third term president, without constitutional amendments. Notable? You decide.
Some good reading.
https://clashdaily.com/2016/12/trump-third-term-without-constitutional-crisis/
https://cornerstonelaw.us/22nd-amendment-doesnt-say-think-says/
https://web.archive.org/web/20130115121046/http://alpha.fdu.edu/~peabody/Twice_and_Future_President.html