When you say, "but not one person was convicted of colluding with Russians": What criminal statute do you think would satisfy your criteria of "colluding with Russia"?

I think pleading guilty for lying to the FBI specifically around a call made to the Russian ambassador in which he coordinated Russian and incoming Trump Administration responses looks really bad. Rodger Stone was convicted on obstruction, making false statements, and witness tampering around his behavior coordinating the release of the hacked (by Russia) DNC emails, which also looks a lot like "Russian collusion".