"[T]he funds impose fees under terms that create conflicts of interest between investors and general partners who run private equity firms. A little-known practice involves discounts that the firms obtain from lawyers and auditors but do not always share fully with investors. A dive into regulatory filings over the last month revealed that 12 private equity firms said they had actual conflicts of interest in connection with such discounts, while 29 more described potential conflicts. Altogether, the 41 firms oversee almost $600 billion in client assets[.]"