US Secretary of State Marco Rubio and National Security Advisor Mike Waltz discuss ending the 'horrific fighting' in Ukraine. Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ FOX News Channel (FNC) is a 24-hour all-encompassing news service delivering breaking news as well as political and business news. The number one network in cable, FNC has been the most-watched television news channel