What do Donald Trump’s tweets reveal about the man who, on 20 January, will be America’s next president? Will he continue to use what he has called his "beautiful Twitter” account to tell the world what he is thinking - and doing?

A history of how the White House and the press corps learned how to live with each other. In 1897, when President McKinley was sworn in, there was no working relationship between the office of the US President and the members of the press. McKinley became the first president to allow press...