Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-august-20-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Thursday on the News Hour... Thursday on the NewsHour, Greek Prime Minister Alexis Tsipras announces his resignation. Also: GOP candidates call for an end to U.S. citizenship as a birthright, former President Jimmy Carter reveals brain cancer, debating treatment for early stages of breast cancer, increasing graduation rates against the odds, one retail store’s anti-growth business model and 3D printers in space. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Will 3D printing in space allow us to build new worlds? 2 min How community colleges can help close the graduation gap 7 min How a clothing company’s anti-consumerist message boosted business 8 min Study raises questions about treatment for early breast cancer 7 min Should citizenship be a birthright? Why some GOP candidates say no 11 min Jimmy Carter: ‘I’ll be prepared for anything that comes’ 4 min As Greek PM resigns, will his party come back stronger in snap elections? 6 min News Wrap: Three firefighters die in wildfire ‘hellstorm’ in Washington state 5 min Why Polish migrants decided to strike in the UK 8 min The conversion of a Patagonia seamstress 4 min