Detailed text transcripts for TV channel - CNN - 20170422:12:40:00
Around the world right now, scientists and their supporters side by side to push for what they call evidence-based policy. theres much more behind their reasoning to rally today though. we are moments away right now, in fact, from the main event in washington d.c. you see some live pictures there. miguel marquez is standing by. good morning to you, what do you see this morning? >> reporter: the gathering has just begun. this is part science conference, part rock concert, part protest and part hu...
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