Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-dec-23-2014 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Tuesday on the News Hour... Tuesday on the NewsHour, we take a closer look at factors helping the U.S. economy pick up steam. Also: Who’s really behind the Sony hack, archaeologists protect some of the Western Hemisphere’s oldest treasures, FDA recommends lifting its ban on gay blood donors, what opening the door to Cuba may mean for baseball and meeting the war dogs who fight in some of world’s most dangerous places. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode What happens to a war dog if his handler is killed? 3 min Turning plywood into dynamic sculptures 4 min News Wrap: Protesters reject NYC mayor's plea to pause after police shootings 5 min Can the U.S. economy sustain its surprising momentum in the new year? 5 min Sony revives Christmas release of 'The Interview' - Part 1 2 min Some experts question evidence North Korea is behind the Sony hack - Part 2 9 min Peru shields an ancient city of sand from strong storms 7 min FDA plans to end prohibition on blood donation by gay men, with conditions Soldiers find special bond with dogs trained for war 8 min Will American baseball get more Cuban imports? 7 min