Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-feb-18-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Wednesday on the News Hour... Wednesday on the NewsHour, an assault by Russian-backed separatists forces thousands of Ukrainian troops to retreat from a key town in Eastern Ukraine despite a cease-fire. Also: Confronting extremism at home and abroad, Boston digs its way out of 100 inches of snow, when science challenges what people want to believe and a photojournalist’s journey to capture love and war. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Meet a pioneer of advanced arm prosthetics News Wrap: Afghan civilian casualties rose in 2014 4 min Why we pick and choose which science to believe 9 min No stranger to snow, Boston struggles to weather a relentless string of storms 5 min What the defeat at Debaltseve means for Ukraine 4 min Ukraine loses key town to separatists despite cease-fire 5 min Photojournalist Lynsey Addario focuses on war and love in her new memoir 7 min What can the U.S. do to stop radicalization at home? 10 min