U.S. overtakes Russia as largest oil-and-gas producer –WSJ
Our space junk problem is spinning out of control – Scientific American
Competency-based education goes mainstream in Wisconsin – Chronicle of Higher Ed
Revisit this Schafer piece on Vikings seat licenses – StarTribune
Lack of jobs report complicates the Fed’s thinking – WSJ
Here’s an idea for reviving the Minnesota Orchestra – StarTribune
Twitter’s IPO will be a lot smaller than Facebook’s – New Yorker
How the Feds took down the founder of Silk Road – Ars Technica
Silk Road is a bitcoin-fueled drug bazaar that’s bigger than anyone thought – Felix Salmon
This “Friday estimates” thing is a cool idea – The Billfold