Sort of:

I now realize that I made a big mistake in posting a blog without clearly identifying that the material in it didn’t originate as a blog post but was pieced together from previous interviews.
I’m sorry I didn’t see this earlier. But I see it now and here is what I’m going to do about it:
1. Going forward, any time the HuffPost uses repurposed material we will identify it as such and source where it originally appeared and link to it. (Thank you Jeff Jarvis)

Wow. A solemn promise from Arianna that she will stop faking blog posts. For what it’s worth.