RBC publishes US tax planning guide for US citizens in Canada http://t.co/9X8B7Pp7gh
— US Taxation Abroad (@TaxationAbroad) August 7, 2013
After having read this you may conclude that you must either renounce or move to the U.S.
Obviously this is NOT legal advice, investment advice or any kind of advice. Furthermore, if it is accurate at all, times change. Make sure that you get up-to-date advice from your adviser.