Well, Clinton governed by polls....did you have a problem with that?   And at least they returned many of the things they took when they left the White House that were given by foreign leaders.....

An interesting article:
http://www.cbsnews.com/news/what-trump-meant-when-he-said-the-president-cant-have-a-conflict-of-interest/

In part, it states  concerning conflict of interest “.....because of concerns regarding interference with the exercise of constitutional duties, Congress has not applied these restrictions to the President. Consequently, there is no current legal requirement that would compel the President to relinquish financial interests because of a conflict of interest.”