From an extensive new piece by the New York Times:
To ethics lawyers, the most extraordinary aspect of the daily merging of Mr. Trump’s official duties and his commercial interests both in Washington and around the world is that it has now become almost routine.
Since Mr. Trump became president, there have been thousands of visits to his properties, not only by Mr. Trump himself, but by foreign leaders, lobbyists, Republican candidates, members of Congress, cabinet members and others with ties to the president.
At least 90 members of Congress, 250 Trump administration officials and more than 110 foreign officials have been spotted at Trump properties since 2017, according to social media posts and counts by various watchdog groups.
Definitely read the full article.