These are the 18 people in line to be President - for no particular reason

Donald Trump Jr yesterday tweeted proof that he met a Kremlin-connected lawyer on the pretext that the meeting would provide "incriminating" information on Hillary Clinton.

The New York Times report that he did so only when contacted by the Times for comment on a story about the contents of the emails - and that they contained explicit proof that he was eager to accept the help of the Russian Government during his fathers' Presidential campaign:

Since the story broke, there have been growing calls for impeachment of Trump senior, legal experts have said that Trump Jr committed a federal crime, and a Harvard Law Professor called the evidence a "smoking gun".

So, apropos of nothing, here's the Presidential line of succession: