Facebook kills 'trending' topics, tests breaking news label

NEW YORK — Facebook is shutting down its ill-fated "trending" news section after four years, a company executive told The Associated Press.The company claims the tool is outdated and wasn't popular. But the trending section also proved problematic in ways that would presage Facebook's later problems with fake news, political balance and the limitations of artificial intelligence in managing the messy human world.When Facebook launched "trending" in 2014 as a list of headlines to the side o