> he twice ran afoul of the leadership, and served a total of 16 years in solitary confinement <
And that is an important lesson for Leftists. Play revolutionary if you want to. But understand that sooner or later you will be the target of a purge.
2 separate terms. He could have come back to the US after the first one, but he decided to stay and continue to help the revolution. Even after hearing people get beaten and tortured.