TEMPLE-RASTON: De Mistura said that the al-Maliki government had been given a narrow window of opportunity.

NPR: U.N. Chief in Iraq Sees Limited Progress

At this point, Dell is late to the game in the mobile and tablet market, and this is a narrow window of opportunity.

FORBES: Can Taking Dell Private Accelerate Innovation?

And so this is a window, and it may be a narrow window, but it's an important window into how our teachers are doing.

NPR: 'L.A. Times' Series Examines Teacher Ratings

"We really felt like we had a narrow window of time to collect these specimens, " recalled Lindsey Bolger, director of Green Mountain coffee sourcing.

WSJ: The Indiana Jones of Coffee

The Supreme Court left open the door for a law that prohibited the sale generally, with a narrow window for it to be released for specific reasons.

FORBES: Drug Data Miners Have A Constitutional Right To Buy Prescription Records, Rules Supreme Court

Only the biggest, most popular films can stick around for longer than three months anymore, and they have a narrow window of a few weeks in which to make their profits before audiences turn their attention elsewhere.

FORBES: How Hollywood Is Overhyping Its Movies

Dr. (Joseph) Hamre, at the request of the secretary of defense, sent out to the region, came back and testified before our committee and said there is a very narrow window that's closing.

CNN: Sen. Joe Biden: 'Tell the American people the truth'

The rights of access under the audit legislation can only be exercised within the narrow window of opportunity and by those with a local interest.

BBC: The Wallis files: What the police can and can't find

This allowed the team to narrow the window of opportunity right down, pretty much to a hand-picked week, which, once agreed upon among with the various parties (medical crew, scientific team, etc.) could be given the red-circle treatment.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data