You must not have E-Cigs in your checked-in luggage
When in doubt, check with CBP at cbp.gov before you travel

In Canada, those in favour of a ban on flavoured e-liquids include: The Association of Local Public Health Agencies (alPHa), Association of Quebec Cardiologists, Association des chirurgiens-dentistes du Qubec, Association des intervenants en dpendance du Qubec, Association des pdiatres du Qubec, Association des pneumologues de la province de Qubec, Association pulmonaire du Qubec, the Canadian Cancer Society, the Canadian Council of Chief Medical Officers of Health, the Canadian Dental Hygienists Association, the Canadian Lung Association, the Canadian Thoracic Society, the Canadian Medical Association, the Canadian Paediatric Society, Conseil Qubcois sur le tabac et la sant, Direction de Sant Publique de la Gaspsie et des les de la Madeleine, Heart and Stroke, the Institut national de sant publique du Qubec, Middlesex-London Health Unit, New Brunswick Medical Association, Physicians for a Smoke-Free Canada, the Registered Nurses Association of Ontario, Toronto Public Health

The New Brunswick Anti-Tobacco Coalition (NBATC) is closely following these developments
Relief, when it comes, is a spasm.
To put a stop to the pressure, Martin laid down a number of conditions that he was certain the network would refuse: he wanted an exorbitant amount of money