Roughnecks build a drilling rig at the MEG Energy site near Fort McMurray, Alberta, Canada. In addition to large, open-pit mining operations, tar sands oil can be extracted from the ground by pumping down high-pressure steam.
Credit Michael S. Williamson / The Washington Post/Getty Images
The Suncor Energy Inc. plant is in the Athabasca Oil Sands area near Fort McMurray.
Credit Brett Gundlock / Bloomberg via Getty Images
Government regulators in Canada are investigating a series of mysterious oil spills around tar sands operations in Alberta. Thick oil is gurgling up unexpectedly from the ground instead of flowing through the wells that were built to collect it.
The spills are raising questions about a technology that's rapidly expanding to extract fossil fuels that could ultimately end up in the controversial Keystone XL pipeline.
From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish.
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And I'm Melissa Block.
In local TV news, one of the most basic ways to appeal to viewers is to constantly promise breaking news, but one station in Louisville, Kentucky, is taking a different approach. NPR media correspondent David Folkenflik tells us more.
DAVID FOLKENFLIK, BYLINE: The spot is for WDRB television in Louisville.
Sentencing began Wednesday in the trial of Army Pvt. Bradley Manning. Journalist Steve Fishman wrote an in-depth profile of Manning for New York Magazine. He speaks to Melissa Block about the famed Wikileaker who faces years in prison.