MANILA (Reuters) - U.S. President Donald Trump briefly discussed human rights with Philippine leader Rodrigo Duterte in the context of his war on drugs when the two met on Monday, a White House spokeswoman said.  The two also discussed Islamic State, trade and narcotics during the much anticipated meeting on the sidelines of a summit of Asian leaders in Manila. Trump said the two had a  great relationship .  Human rights briefly came up in the context of the Philippines  fight against illegal drugs,  said White House spokeswoman, Sarah Sanders. 