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Crisis situations. so thats actually quite important. >> reporter: but tonight, former american spies are also warning about the dangers to national security from the presidents twitter account. >> the unfiltered nature of it. how does that help a foreign intelligence adversary. >> a foreign intelligence adversary knows what motivates the most powerful in the world. knows what he likes, dislikes, what annoys, what pleases him, what tv shows he watch, doesnt watch. they would look into what those...