Read Jonah’s excellent column on Hillary here. I have to say, though, that I think Hillary actually intended her joke as a joke and that it was funny. My interpretation of the video is that you can see her sort of pleased with herself when she’s about to say it, and her laugh is clearly the laugh of someone who has meant to tell a joke. So I’m going to go out on a limb and say it shows a glimmer of a sense of humor and an ability to connect with a crowd.