Poor Joan .....
Yes. If Joan seriously thinks she can chide anyone into forgetting about this prior to fully investigating it, she is delusional. Whatever's there to be found will be found.
That the Trump campaign organization colluded with representatives of the Russian Government is already out in the open. It was extensive, occurred through multiple contacts and over an extended period of time. The significant remaining questions are how high up it went, how extensive it was, and whether it will bring down the presidency or not.
Russia, Russia, Russia indeed.