International leaders aren t making any secret about their disdain and lack of respect for Obama in his final G20 summit PHILIPPINES   President Barack Obama is threatening to cancel a meeting with Philippine President Rodrigo D tente after the fiery political figure called the U.S. president a  son of a bitch. According to the Associated Press, Duterte demanded that Obama be respectful during the G-20 summit. Otherwise, he said,  son of a bitch, I will swear at you in that forum. Duterte was referring to a potential discussion about his violent war on the drug cartels, killing over 2,400 people in the process.During a press conference in China at the G-20 summit, Obama hinted that the meeting between himself and Duterte could be canceled. What I ve instructed my team to do is to talk to their Philippine counterparts to find out is this in fact a time when we can have constructive, productive conversations,  he said.Obama said that the United States would  always assert  the need for due process in prosecution of drug criminals, citing basic international norms. He added that he would bring it up in a meeting, despite D tente s comments.   BreitbartCHINA   The leader of the world s largest economy, who is on his final tour of Asia, was forced to disembark from Air Force One through a little-used exit in the plane s belly after no rolling staircase was provided when he landed in the eastern Chinese city on Saturday afternoon.When Obama did find his way on to a red carpet on the tarmac below there were heated altercations between US and Chinese officials, with one Chinese official caught on video shouting:  This is our country! This is our airport! RUSSIA  President Obama shared a tense exchange with Russian premier Vladimir Putin at the G20 summit in China this morning as the two failed to agree over a ceasefire in Syria.Sly Putin could be seen grinning as he clasped hands with stony-faced Obama, who is serving the final months of his Presidency before November s election.  Sun