A September 11 commission co-chairman talks about the damage done by the latest New York Times leak. By Byron York Thomas Kean, the co-chairman of the September 11 Commission, was briefed several weeks ago about the Treasury Department’s terrorist-finance program, and after the session, Kean says, “I came away with the idea that this was a good program, one that was legal, one that was not violating anybody’s civil liberties…and something the U.S. government should be doing to make us safer.” Kean tells National Review Online that the New York Times’s decision to expose the terrorist finance effort — Kean...