Blimp Hanger News Today

Dan joins us now with more. im sure it was quite a conversation, dan. >> reporter: good morning, michaela. were in the heart of silicon valley and that impressive looking structure behind me is a blimp hanger here at a research facility where nasa does a lot of work. this is where they held that star-studded event. we talked to mark zuckerberg about that. youll hear about that in a moment. we asked him about the big news in silicon valley, that the letter that he and other tech executives sent t...