Internal polling data is precious. It reveals your strengths— & your weaknesses. Why share such valuable information with a foreign adversary—unless that adversary was really a friend?

Internal polling data is precious. It reveals your strengths— & your weaknesses. Why share such valuable information with a foreign adversary—unless that adversary was really a friend? https://t.co/JF9J2Jgk57

— Richard Blumenthal (@SenBlumenthal) January 9, 2019