If she said this in private and was corrected, she would have merely been ignorant. However, since she said it in public without checking her facts or not believing them, this raises the ignorance to a new level.
The clip was from a public forum sponsored by the Denver Post. Here's a follow-up article with apparently the major video content.
If you really want to see the full segment, click on the video. Here segment starts about the 10 minute point. It's about an hour and a half. In the story that accompanied this clip, her spokesman then proceeds to make a couple of other errors.