Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-weekend-full-episode-jan-31-2016 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Sunday on the News Hour... Sunday on NewsHour Weekend: Candidates make a final push in Iowa on the eve of the first votes of the 2016 presidential race, and in our signature segment, how Oklahoma has become the nation's earthquake capital. Alison Stewart anchors from New York. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode How are the candidates likely to fare at the Iowa caucuses? 5 min Vast digitizing project will put Harvard’s colonial archives online 4 min