conflict of interest

He owes China hundreds of millions of dollars, for one thing.
The Verge acknowledged an obvious "conflict of interest" in founding editor Chris Ziegler's moonlighting.
The head of the Supreme Court inadvertently participated in a case involving a company where he had a significant financial stake.
Coke claims its $1.5 million donation to an anti-obesity nonprofit isn't a conflict of interest.
By law, he could keep running his business empire from the Oval Office.