Trump says adding his face to Mount Rushmore would be a 'good idea.' It would likely be impossible

President Donald Trump tweeted Monday that he thought it would be a "good idea," to have his face ono Mount Rushmore but making any additions to the landmark – whether it would be to add the 45th president or any other person – is likely not possible without jeopardize the existing structure.

Trump, who has floated the idea in the past of having his face on landmark, posted the tweet in response to a New York Times report that the White House reached out to South Dakota Gov. Kristi Noem...