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After an epic filibuster by Sen. Rand Paul that lasted into the early morning hours, the Senate voted this afternoon to confirm the nomination of John Brennan as the country's next Central Intelligence Agency director.

As we reported, Paul, a Republican from Kentucky, stood on the floor of the Senate for nearly 13 hours, repeatedly asking for an explanation of the Obama administration's targeted killing program.

One of the defining graphs of our time (yes, there are defining graphs of our time) comes from the blog Calculated Risk. It tracks the job market in every U.S. recession and recovery since WWII — and it shows just how brutal the the past few years have been.

Business Insider calls this the Scariest Jobs Chart Ever. But the Scariest Jobs Chart Ever isn't quite scary enough.

Just before leaving for Venezuela to attend the funeral of Hugo Chávez, Iranian President Mahmoud Ahmadinejad penned a laudatory tribute for the late president.

"[Chavez] is alive, as long as nations are alive and struggle for consolidating independence, justice and kindness. I have no doubt that he will come back, and along with Christ the Saviour, the heir to all saintly and perfect men, and will bring peace, justice and perfection for all," Ahmadinejad wrote in a letter he sent the Venezuelan vice president.

As he ended his nearly 13-hour filibuster early Thursday, Sen. Rand Paul (R-Ky.) indirectly said it was nature's call that forced him to stop talking:

"I would try to go another 12 hours and try to break Strom Thurmond's record, but there are some limits to filibustering and I am going to have to go take care of one of those here," he said.

For more than a century, neurons have been the superstars of the brain. Their less glamorous partners, glial cells, can't send electric signals, and so they've been mostly ignored.