Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-feb-3-2016 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Wednesday on the NewsHour... Wednesday on the NewsHour, Democratic candidates debate liberal credentials while Republicans brawl over victory margins. Also: How to fight the Zika virus, Sweden suffers vigilante violence over refugees, Yahoo faces financial struggles, a three-parent DNA treatment raises debate, big data meets modern medicine and how women are changing the way America works. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode How a critical mass of women can change an institution 6 min Big data meets modern medicine in a life-saving equation 10 min Democrats debate liberal credentials on the trail in N.H. 3 min What does Yahoo’s downsizing mean for the tech giant’s future? 4 min Three-parent DNA treatment for rare defect raises debate 9 min Mosquito breeding grounds are front line in fight against Zika 5 min News Wrap: Syrian peace talks reach impasse after two days 4 min Sweden’s welcome to refugees disturbed by violent backlash 9 min