His campaign posted in
their blog on it. It's sort of like Kerry's joke about education and being stuck in Iraq or Gore's joke about his mother singing him the union label song. According to the folks at the rally, they didn't take him seriously on it. Richardson mixes a lot of humor throughout his stump speech and improvises sometimes instead of following a script. Unfortunately, that sometimes gives opponents ammo to use against him when a joke like that isn't clearly delivered or taken out of context.