Some heavily-redacted documents on the practice of waterboarding those in CIA custody have been released via a FOIA request by the ACLU.  One page from these documents is creating some humorous responses among legal blogs as all text is redacted except for the words "These enhanced techniques include...water board".

Heavily-redacted documents on waterboarding "prisoners" in CIA custody -- ACLU

Knee-jerk redaction? -- ACLU Blog

Special Review Report (CIA Office of the Inspector General) -- ACLU

Near-completely redacted page from report -- ACLU Blog