Jimmy Carter is without question one of the all-time great ex-presidents. Whatever the successes or failings of his administration, he's used his time since to improve the world, and is honest, uncorrupt, and suitably (ex-)presidential.
I can't find Jimmy Carter's name in this research: https://en.m.wikipedia.org/wiki/Gwangju_Uprising
You appear to have a reading comprehension problem.
Nothing I've seen Trump do so far is even in the same bad/wrong hemisphere as the patriot act. I eagerly await his attempt, it should be a doozy.
Maybe what we need is fewer ex-presidents willing to at most give milquetoast read-between-the-lines statements of vague disapproval at the systematic undermining of our institutions and values.