The Pulitzer Prize-winning US classic "To Kill a Mockingbird" will appear as an e-book for the first time this summer, publishing house HarperCollins said.
Hero or traitor? America is still polarized over Edward Snowden and whether the newspapers that exposed the extent of NSA's vast global spying network should be lauded or condemned.
Film legend Martin Scorsese and President Barack Obama led tributes to US movie critic Roger Ebert, the first cinema pundit to win a Pulitzer Prize who died Thursday from cancer aged 70.