1. They were working on Trump's campaign.
2. They were advising a Ukraine politician. /1
In Manafort's pre-sentencing doc, Weissmann says: "We had not discussed with Mr. Manafort the evidence regarding the 2018 work that he did with respect to polling in Ukraine." /2
I think it was Zelensky (bear with me here). The character count matches the character account in the hearing transcript. And the guy's a TV star (he played the president!) with Russian business ties.
reuters.com/article/us-ukr…