Philippine President used "inappropriate" to scold Obama

The President of the Philippines, Rodrigo Duterte, called the American fellow "son of a ..." on Monday, anticipating that will be asked by US President Barack Obama on the issue of human rights when they meet in Laos .

"You should be respectful. You should not ask questions or statements. Son of a ... I will curse him in the forum," said Duterte to the press before flying to Laos to attend the summit.