nicotine to addict them. 5 million kids use e-cigarettes. juul is "following big tobacco's playbook." and now, juul is pushing prop c to overturn e-cigarette protections. vote no on juul. no on big tobacco. no on prop c. more breaking news tonight. getting more reporting on the testimony that just wrapped up. a woman named fiona hill. lauren fox joins us now. what have you been learning? this has been going on for i think at least eight to ten hours, right? >> reporter: yes, more than ten hours, anderson. i just saw fiona hill leave capitol hill and one thing we have learned in the last few minutes is basically she was telling lawmakers about her concerns with rudy giuliani's sort of shadow foreign policy.