Barack Obama cancelled a planned meeting on Tuesday at a regional summit in Laos with the new President of the Philippines, Rodrigo Duterte, after he insulted him. “You must be respectful. Do not just throw away questions and statements. Son of a b*tch, I will curse you in that forum,” Duterte said US President responded The move came after the White House announced Obama would confront Duterte about Phillippine's handling of drug dealers and extrajudicial killings.