A cottage industry grew up following the revelation that Rosemary Woods, Richard Nixon’s secretary, performed feats of contortionism worthy of Barnum and Bailey in order to “accidentally” erase 18 1/2 minutes of a June 20, 1972, tape that most experts agree contained a conversation between the president and Chief of Staff H.R. Haldeman discussing Watergate.

Here is Woods demonstrating her act:

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Perhaps some day we’ll have a similar photo of how Lois Lerner “accidentally” crashed her computer to erase nearly two years of emails.

To this day, we don’t know what those missing 18 1/2 minutes contained. Oliver Stone in Nixon used the tape gap to try to link him to the JFK assassination. Many Watergate experts think since other meetings Nixon had during the day referred to the FBI, that Nixon may have told Haldeman specifically to tell the FBI to back off and halt the investigation so that it led only to the original conspirators.

Will the missing Lerner emails suffer a similar fate?

Alan Joel at Tax Politix ferreted out an interesting tidbit of information. He recalled the Treasury Department Inspector General report from last year; and, sure enough, the IG used numerous email sources to develop a timeline of IRS targeting activity.

The period of missing emails from Lerner is January 2009 to April 2011. Here’s the IG timeline covering that time period (“Appendix VII, Comprehensive Timeline of Events”).

Some of the events in the missing email time period are quite significant. Senator Durbin’s letter asking the IRS to investigate Crossroads GPS and other groups was written in October 2010. The actual targeting of conservative groups began in March of 2010. Lerner’s own involvement in the targeting begins shortly after the missing period (June 2011), which makes you wonder what she might have known prior to that time.