The Anti-Corruption and Public Integrity Act, intro'd August 2018, would have created an independent ethics agency w/ new subpoena powers that could investigate West Wing staff who participated in any "official act" quid-pro-quo. Other advisers covered too. Dems have never given the bill a hearing.

Congressional Leaders Warning of ‘Insider Trading’ Could Have Banned Officials From Stock TradingBanning members of Congress and government officials from trading stocks is highly popular, even among many rank and file lawmakers—but not among the congressional leaders who control which bills adva...readsludge.com