Interesting idea....and a tactic of the left here.
in the early 80's the socialist NDP served the premier of the province with a subpoena ...
It backfired, was seen as a tactic and a personal vendetta.
What the Republicans need to do on this file is remain as non personal as possible, keep it professional and avoid any appearance of a personal thing, as Hillary will cash in on the left's favorite ploy, martyrism.
If it were me, I would save the 'next best hit' for when she is underway, has officially declared and is out there, making promises and saying **** that can be used against her. The drop the bomb.
Sometimes the doctor has to led an ugly cysts grow large before they remove it once and for all