ANDREW NEIL: Why Iran was personal for Trump... and why his 'little excursion' has the hallmarks of being the disastrous defining act of his presidency - one that will haunt him for the rest of his life

The article discusses Donald Trump's personal connection to Iran and criticizes his 'little excursion' as a potential defining and disastrous act of his presidency. It suggests this action could haunt Trump for the rest of his life.