NEW: FBI had a “walk-in” whistleblower from the Trump campaign, Glenn Simpson testified https://t.co/dHptztEXQO

— Justin Miller (@justinjm1) January 9, 2018

If it turns out true, that in the end Russia investigation started from a Trump campaign whistleblower, a tip from the Aussies and later 3rd source a dossier pushed by McCain, @GOP will be forever sullied for going after Mueller to protect Trump https://t.co/FHu1pMEAc8

— Clint Watts (@selectedwisdom) January 9, 2018