do you actually think the buck stops with the president?

[arayder]

As one would suspect there is an existing office of ethics:

The United States Office of Government Ethics (OGE) leads and oversees the executive branch ethics program which is at work every day in more than 130 agencies. The executive branch ethics program works to prevent financial conflicts of interest to help ensure government decisions are made free from personal financial bias.

https://www.oge.gov