WATCH LIVE: President Obama Addresses the UN Published September 28, 2015 6:56am PDT News KTVU FOX 2 Share Copy Link Email Facebook Twitter LinkedIn Reddit article FILE - In this Sept. 27, 2015, file photo, President Barack Obama speaks at the United Nations Sustainable Development Summit, Sunday, Sept. 27, 2015, at the United Nations headquarters. (AP Photo/Andrew Harnik, File)