Detailed text transcripts for TV channel - CNN - 20170926:20:31:00
Involved in this. >> that's the million dollar question. did they know this by following political news in america? did they geo target both on geography and by demographics in ways that at least first blush appear pretty self kated? the sophisticated? these what we need to get answered and that's why the public hearing. >> reporter: now he tells me he agrees there needs to be a public hearing along with twitter and facebook. but one thing he's not quite there yet is whether there is any collusion. he said no evidence yet that trump officials were involved in facebook ads but cautions still in...
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