Thomas Piketty, a French economist trained at MIT and a professor at the Paris School of Economics, recently published a book two decades in the making, titled Capital in the 21st Century. The book has gone viral the old-fashioned way; the publishing house in Harvard is clean out of copies and is frantically printing more, and Amazon’s limitless warehouses are out of stock, too.

On Wednesday, May 7, the House Judiciary Committee unanimously passed the "USA Freedom Act," written by U.S. Rep. James Sensenbrenner (R-Wis.). The bill has received broad support from privacy and civil liberties groups. Sensenbrenner says he wants to make it clear that Congress does not support current NSA spying and data collection programs -- though Congress has not shown much unity on the subject.

Today is the two-month anniversary of the disappearance of  Malaysia Airlines Flight 370, which disappeared on March 7 about an hour after taking off from Kuala Lumpur and heading to Bejing. The plane, with its 241 passengers, has been missing ever since. Just this morning, I got a push notification from CNN on my cell phone letting me know that there would be a press conference today to discuss the most recent developments in the case of the missing plane.

Many people have called for increased transparency in government, especially with intelligence agencies like the NSA, but perhaps what they really mean is better accountability.

The two terms are often used in tandem, but the contrast is vital to understanding the checks and balances we cherish in our democracy. To the extent that it is possible to have one without the other, which is more acceptable in our society? Which is more highly valued? Or, do we simply want the overseers of the agencies to do their jobs?

First, let’s look at the two expressions independently.