Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-feb-19-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Thursday on the News Hour... Thursday on the NewsHour, UN Secretary-General Ban Ki-moon discusses preventing violent extremism at its root. Also: How terrorists finance their deadly work, the secretary of health and human services on the successes and challenges of Obamacare, Yazidi girls trapped by trauma after slavery and abuse in Iraq and memories of opera singer Deborah Voigt. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Freed but not free: Yazidi girls who escaped Islamic State are trapped by trauma 10 min What’s the price of paying for hostages? The economics behind funding and fighting terrorism 6 min A look at the challenges threatening the health of Obamacare 7 min At White House summit on extremism, thinking beyond military action to root causes 3 min Ban Ki-moon on preventing terrorism by protecting human rights Diva Deborah Voigt on the ‘lonely business’ of opera that led to addictions 5 min News Wrap: Two deaths linked to ‘superbug’ infection in Los Angeles 7 min