Under current law, candidates' campaigns are not allowed to coordinate with superPACs, although they clearly benefit from their messages. As result, candidates have performed feats of verbal gymnastics in order to talk about them. Host Scott Simon speaks with NPR's Peter Overby about the role of superPACs in the presidential race.
SIMON: Last week, we spoke with Clay Johnson, an open-source advocate and digital strategist, about his new book, "The Information Diet: A Case for Conscious Consumption."
CLAY JOHNSON: You know, our minds are really wired to be affirmed and to be told that we're right. And that's the central premise of "The Information Diet." It's really, who wants to hear the truth when they can hear that they're right?
China appears to be rethinking its reliance on oil from Iran. Here, Chinese Premier Wen Jiabao (right) visits with the members of the Saudi Arabia-China Friendship Association on the outskirt of Riyadh, Saudi Arabia, earlier this month.
In the late 19th century, scores of celebrated, valorous explorers attempted to reach the North Pole. Groups of explorers from the U.S., Europe and Scandinavia invented clever new equipment, raised money, stirred national pride and enthralled the world by attempting to march, sail or sled to the most cold, remote and unseen place on Earth.
But it was a perilous business: Of the 1,000 people who tried to reach the North Pole in the late 1800s, 751 died during their attempt, author Alec Wilkinson tells NPR's Scott Simon.
Former U.S. Sen. Rick Santorum shakes hands with supporters prior to speaking during a campaign stop at Captain Steve's Restaurant on Jan. 20 in Fort Mill, S.C. Fort Mill is just over the line from North Carolina, and some voters wish they could cross over for the GOP primary on Saturday.
Credit Mark Wilson / Getty Images
Former Speaker of the House Newt Gingrich speaks during an event on Jan. 11 in Rock Hill, S.C., just over the border from North Carolina.