【明報專訊】As the US presidential election is approaching, the White House has become a surreal and unpredictable reality show that is on every day. As the world's most powerful man, Donald Trump is in control of the nuclear weapon button that could destroy the world. The Democratic Party has threatened to set up a House Select Committee to examine whether Trump can still perform his duties. Although it is a political manoeuvre, it also highlights his erratic behaviour, which has reached a worrying level.