At the Treasury Department, the memo came down from the deputy executive secretary, Wally Adeyemo, in December of 2009. Going forward, the memo stated, “sensitive information” requested under the Freedom of Information Act was to be reviewed not only by career FOIA officials but also by a committee of political appointees... before release. And it didn’t just happen at Treasury, but at the IRS and the Department of Homeland Security, too. Current and former FOIA attorneys at these agencies say documents requested by the media have come in for special scrutiny, called “sensitive review,” often holding up release for weeks...