Columbia University master's student and U.S. Air Force veteran Sam Nahins joins 'America's Newsroom' to share key takeaways from the response to anti-Israel protesters who took over a campus library. #FoxNews #ColumbiaUniversity #protests #fox #news #us #arrest #police #college #students #isreal 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-