NRA used CA "This year Cambridge Analytica, a voter data firm in which Mercer is a key investor, has worked with the Herald Group, a DC-based consulting firm, to implement the NRA’s “Trigger the Vote” drive to register new voters and get them to the polls."https://t.co/XryGIaLqxT— Erica Severns (@erica_severns) July 16, 2018