Given a text, write a compressed version of it in a single sentence.

[Q]: The WSJ reports that, thus far, CBS' Winter Olympic ratings are about 17 percent below what was promised to advertisers, raising the prospect of expensive givebacks to them.
[A]: The WSJ reports that the CBS Winter Olympics ratings are 17 percent below what was promised.

[Q]: Hence, the term isogloss, from iso - ' same ' + gloss ' word, ' to describe the line on a map where the terms are of equal distribution.
[A]: The term isogloss describes the line on a map where there's equal distribution.

[Q]: For the first time in history, all nonemergency civilian aircraft in the United States were grounded, stranding tens of thousands of passengers across the country. Contingency plans for the continuity of government and the evacuation of leaders had been implemented.
[A]:
All nonemergency aircraft in the United States were grounded, stranding thousands of passengers across the country. Contingency plans for the government and the evacuation had been implemented.