TV and radio host Glenn Beck targeted Frances Fox Piven as an "enemy of the Constitution." Death threats soon followed. Jose Luis Magana/AP hide caption

toggle caption Jose Luis Magana/AP

Andrej Pejic poses backstage at the Custo Barcelona Fall 2011 fashion show during New York's Fashion Week. Mike Coppola/Getty Images for IMG hide caption

toggle caption Mike Coppola/Getty Images for IMG

Kate Betts' new book about Michelle Obama's style explores how the first lady projects both power and a keen sense of fashion. Olivier Douliery/Getty Images hide caption

toggle caption Olivier Douliery/Getty Images

Biz Stone is the co-founder of Twitter. He tweets under the name @biz. Dustin Diaz/Twitter hide caption

toggle caption Dustin Diaz/Twitter

News Corp. CEO Rupert Murdoch walks on stage with an iPad for the Feb. 2 launch of his new online newspaper for the Apple iPad called The Daily. Spencer Platt/Getty Images hide caption

toggle caption Spencer Platt/Getty Images

NPR thanks our sponsors

Become an NPR sponsor