'We salute the fathers of our country': Trump marks America's 250th birthday with speech at Mount Rushmore | The National

'Communism America's biggest threat...': Trump speaks at Mount Rushmore as US marks 250 years

U.S. President Donald Trump called on Americans to protect ​the freedoms the nation's founders envisioned 250 years ago against what he has portrayed as the "communist" threat posed by progressive Democrats, speaking on…