Unit One Arts and Culture Section A \Hubble Bubble\ Tower Will Be Icon of Olympic Legacy. Section B Channel 4 Gives Romeo and Juliet a Twitter Twist Section C The Post Wins Four Pulitzers; Bristol, Va., Paper Wins for Public Service Unit Two Stores Entertainment Section A Designer Has Fan at Top, but Too Few at the Section B Celebrity Rehab Uncovered and Trends Section C Growing Conversion of Movies to 3-D Draws Mixed Reactions Unit Three Environment Section A Gulf Oil Spill Could Be Unprecedented Disasterm-Obama Section B Copenhagen Climate Summit Wasn't a Flop, Reports Say Section C Can the Rainforests Be Saved without a Plan? Unit Four Sports Section A Africa. As World Cup Opens, UN Celebrates the Power of Sport for Peace and Development Section B Triumph Overcomes Tragedy after Host Nation Takes Games to Its Heart Section C Former IOC President Juan Antonio Samaranch Dies at 89 Unit Five Health Section A Green Spaces \Improve Health\ Section B To Cut Diabetes Heart Risks, Diet and Exercise May Beat Drugs Section C Obama Signs Health Care Reform Bill, Aims to Promote It on the Road Unit Six Economy Section A Europe's Debt Crisis. What It Means for Americans Section B Davos 2010: The West Accepts India and China as Equals Section C Global Economic Crisis Abated, but Effects Linger Unit Seven Society and Life Section A Apple Boss Defends Conditions at iPhone Factory Section B Social Media at Work——Bane or Boon? Section C Do Open Marriages Work? Unit Eight Politics Section A New Japanese Prime Minister Naoto Kan Promises to Rebuild Country Section B Health Reform's Winners and Losers Section C Britain's Election Ends in Political Standoff Unit Nine Travel Section A A Quick Stop in Old Cuba Section B ZTA Hails A'Sambeni's Pulling Power Section C New Travel Guides, from Lonely Planet to Luxury Unit Ten Science and Technology Section A North Korean Red Star Operating System Details Emerge Section B Mobile TV's Last Frontier: U.S. and Europe Section C White-hot Energy