Not only is it very possible that Natalia Veselnitskaya a Democrat plant, but consider this.
After meeting with Trump Natalia Veselnitskaya had Federal Prosecutor Preet Bharara settle the law suit he was prosecuting against her foreign clients seeking several hundred million bucks in damages for a less than nuisance cost out of court settlement of 6 million bucks.
Can you say Quid Pro Quo?
I knew you could :-)
Now that smacks of collusion
No. Preet had already been fired when it was settled. I will go look at timeline again