The best Democrats can counter is “Everybody does it.”
But Trump will hammer home that their whole life, the Clintons have used their positions as “public servants” to enrich themselves.
Quid pro quo’s are notoriously hard to prove as they are often arranged through innuendo or a wink and nod, so I don’t expect criminal charges relating to the Clinton Foundation (but who knows).
The political “GRAVY TRAIN” being overtaken by the reality of the “TRUMP TRAIN.”
The best Democrats can counter is Everybody does it.