Reactionary anti-market sentiment is something libertarians should be concerned with.

FORBES: Capitalism and Welfare

It's something the retailer is especially concerned with as many of its stores are in the South, she says.

WSJ: Fashion's Other Season Takes the Spotlight

Still, Cage hopes for a future where technology isn't something he and his studio need be concerned with.

ENGADGET

Unless you were planning on hooking this thing up to your Kaleidescape, upon which you've somehow managed to rip some HD DVD or Blu-ray movies or something, you really shouldn't be concerned with the HDMI.

ENGADGET: Slingbox PRO hands-on

The answer is an unerring ability to understand the needs of consumers something with which the computer industry has never much concerned itself.

ECONOMIST: America Online

David Friedman, a clean vehicles analyst with the Union of Concerned Scientists, demonstrates something called variable cylinder management.

NPR: States Push Automakers on Fuel Efficiency

And people are concerned about whether the standards, the non-tariff barriers with respect to autos is something that is preventing us from being able to compete with very good products.

WHITEHOUSE: G20 Summit Presidential Press Conference

"We are always concerned when older and more or less intact buildings are getting torn down to be replaced with something new on a block that has a lot of character, " said Tara Kelly, the executive director of Friends of the Upper East Side Historic Districts.

WSJ: Side by Side Homes on Upper East Side Go on Market Together for $11.95 Million