US trip to Olympics uncertain amid North Korea threat, Haley says

US trip to Olympics uncertain amid North Korea threat, Haley says  Fox News Nikki Haley, US Ambassador to UN, says it's an 'open question' if US athletes will compete in 2018 Games  USA TODAY Russia's Mutko echoes Putin vow of support for 'neutrals'  Reuters The Olympic Ban Helps Mr. Putin, Hurts Russia  New York Times Nikki Haley: North Korea threat makes US Olympic participation an 'open question'  Washington PostFull coverage