I was going to mention this but PolitiFact beat me to it.
Barack Obama signed the Lilly Ledbetter Fair Pay Act on Jan. 29, 2009, keeping a longstanding promise to counter a Supreme Court decision that limited workers’ ability to sue for pay discrimination. We moved the Obameter and gave him a Promise Kept.
But we also had to give him his first Promise Broken for the same signing. As part of his agenda to bring more transparency to government, Obama said he would institute “sunlight before signing” — posting laws to the White House Web site for five days of public comment before he signed off on them. [Ed. - I added the links]