Is public political discourse any different in the new age of social media? Survey says: Yes. Negative tweets about the GOP hopefuls outnumbered positive tweets by at least 2 to 1, according to a new report.

In 1857, a group of American intellectuals founded The Atlantic and used it to challenge the institution of slavery. Now, on the 150th anniversary of the Civil War's beginning, a new issue of the magazine reaches back to a time when slavery — and the future of the United States — was still an open question.

A museum dedicated to Pulitzer Prize-winning World War II columnist Ernie Pyle is in danger of closing. The site, in Pyle's hometown of Dana, Ind., attracts fewer than 2,000 visitors annually. The state recently cut off support to the museum and moved a number of the artifacts to the capitol. Now, a group of community volunteers is rallying to try to preserve the museum and Pyle's legacy.

Robert Siegel talks to Kalle Lasn, a co-founder of Adbusters Magazine. Lasn helped originate the idea for the Occupy Wall Street movement.

New York Times advice columnist Philip Galanes details how to handle breakups, cellphone calls and food allergies — among other topics — in his book Social Q's: How to Survive the Quirks, Quandaries and Quagmires of Today.

Melissa Block and Guy Raz note that not all news outlets have accepted the name Myanmar for the country also known as Burma. They describe the issue of accepting a name chosen by a brutal regime — and how, in the end, it doesn't matter because the root word is the same.

Thursday, public television veteran Gary Knell takes the helm at NPR, becoming president and CEO after more than 20 years with PBS. Knell assumes the post after a period of turmoil at NPR. He joins NPR's Neal Conan to share his plans for leading the company.