I can't help but be amazed that, twenty years later, Leftists are still butthurt over Klintoon getting impeached, so much so that they continue to thoroughly convince themselves that "I really, REALLY hate Republicans" is valid grounds for impeachment.
Apparently Lawrence O'Dumbass and Robert Reich got together and coordinated their talking points on this idiocy, since they both managed to spout it off pretty much simultaneously. Short version for both is "Trump isn't upholding the Oath of Office" and "Russia!!!11elebenteen!!11!"
Unfortunately for them, not upholding the Oath of Office is not an impeachable offense, as it is not a crime nor a misdemeanor. Actually, this is probably fortunate for them, because if it were, then Obama most certainly could (and probably would) have been tossed out on his large ear for doing things like not enforcing the borders or refusing to defend DADT. In reality, Presidents have a wide berth on these sorts of things, made vastly wider by Obama, and of course the irony is that they are pissed off not because Trump is not faithfully executing the Office of President, but because he actually IS.
And of course the entire Russia claim has long since been demonstrated to be abject BS without so much as a single shred of evidence to back it up, but even if it were somehow true, guess what: that's not actually a crime or a misdemeanor.