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The only aspect of Tinariwen more urgent and heartbreakingly human than its unique blend of electric rock and North African traditional music is its story. Tinariwen's members fought as rebels in Mali to protect their land and the Tuareg people, and out of the rebel camps formed a counterculture — and a rock band.

Now, we all have reason to complain about the speed of our Internet connection. Scientists announced yesterday that they have broken the Internet speed record by transferring data at 186 Gbps between two cities.

The eyes of Texas have been upon James Richard "Rick" Perry ever since he boot-scootin' boogied onto the public-service stage. Now political observers are watching Perry's fortunes fluctuate as a Republican candidate for president.

Political junkies have followed the career of Perry — an Eagle Scout, veterinary student and son of a farmer and a bookkeeper — from his initial election as a Democrat to the state House of Representatives in 1984. They have studied his endorsement of Al Gore for president in 1988. They watched him as he changed parties in 1989.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. College tuition and fees rose over 400 percent between 1982 and 2007. Let me repeat that: 400 percent in 25 years. Many students get help from financial aid and scholarships, not to mention their parents.

Websites like Kickstarter, Kiva and Giving Tree are changing how people donate money. With what's known as microphilanthropy, individuals, non-profits and even small businesses raise money directly from individual donors. Journalist and author Laura Vanderkam explains how crowd funding works.

The GOP presidential hopefuls are airing ads in nearly all of the early voting states. NPR's Ken Rudin, political ad expert Ken Goldstein and Robert Mann, author of Daisy Petals and Mushroom Clouds: LBJ, Barry Goldwater, and the Ad that Changed American Politics talk about ads past and present.

The holidays are often a peak season for scams. In 2011, those swindles go far beyond the suspicious email asking for a helping hand or the bogus charity organization pleading for help. Regulators report a significant rise in the number of baby boomers who are targeted in investment scams.

NASA is on the brink of putting a man-made craft into interstellar space for the first time, as Voyager 1 speeds toward the outer edge of our solar system. The Voyager program's chief scientist, Dr. Ed Stone, spoke with NPR's Steve Inskeep about that feat, and what it means for NASA.