Paul Manafort is at the center of the Trump-Russia investigation — here’s what you need to know about him
Manafort served in this senior role until August 2016, when he resigned over reports about his legally questionable work mixing politics and business in Ukraine.
['Manafort', 'served', 'in', 'this', 'senior', 'role', 'until', 'August', '2016,', 'when', 'he', 'resigned', 'over', 'reports', 'about', 'his', 'legally', 'questionable', 'work', 'mixing', 'politics', 'and', 'business', 'in', 'Ukraine.']