The new report conceded the importance of using standard English but warned against teaching it to children too early.

The report conceded that such a plan would not necessarily improve fuel economy.

The report concedes that, but points out that not every household has children.

But the report concedes that given current trends, "traffic problems are likely to get worse."

The report concedes that this is true in many cases, but certainly not all.

Most important, the report concedes that Iran could be deceiving us about how far it has advanced its nuclear program.

But the report concedes that the jury system could be improved.

The report conceded that "societies differ among themselves on the status of women and the roles they should play."

"The democratic system is not yet perfect," the report conceded.

The report concedes that free trade agreements carry this risk.