D: Dive Into Mobile: The Full Interview Video of Microsoft Windows Phone 7 Head Joe Belfiore

As promised, All Things Digital will be publishing the full videos of the interviews we did two weeks ago at our D: Dive Into Mobile conference in San Francisco.

The first extension of the event, it produced some very newsy sessions. We’ll be posting them all.

Today, we ring up Microsoft’s Joe Belfiore (pictured here), who is the man in charge of its Windows Phone 7 efforts.

It’s no small task, as the software giant struggles to get back into the mobile game and catch up from far behind in a very competitive smartphone race led by both Google and Apple.

Here’s the video of the Belfiore interview with Walt Mossberg:

Next up: Sprint Nextel CEO Dan Hesse on the battles for dominance among wireless carriers.