Money and a desire to get back to positions of influence, most likely. See this article for a lot of detail: https://www.theatlantic.com/magazine/archive/2018/

Money and a desire to get back to positions of influence, most likely. See this article for a lot of detail: https://www.theatlantic.com/magazine/archive/2018/03/paul-manafort-american-hustler/550925/ https://www.theatlantic.com/magazine/archive/2018/03/paul-ma...