John Conyers actually said...

these acts, damaging to the office and in many cases criminal as well, constituted true abuse of power

the use of such an incendiary term without having any conclusion or hearings or evidence that lead to this conclusion 'abuse of power' is on...

we did not determine what we thought was the case and started off the hearing in that sense

not every difference that I have with them in policy preference is evidence of an abuse of Executive power