Not enough information. You would be best served by a consultation with an experienced Immigration Attorney BEFORE to subject yourself to an interview.
Law Offices of J Thomas Smith J.D., Ph.D 11500 Northwest Freeway, Suite 280 Houston, TX 77092 713-LAWYER-2 www.MyImmigrationLawyer.info NOTE: Responses are for the education of the community at large and is not intended to be "legal advice." No attorney-client relationship is established by responses or comments.
The applicant needs to consult with an experienced immigration attorney immediately. A conviction for possession of marijuana renders one inadmissible and therefore ineligible for permanent residence. The fact that it is a misdemeanor is irrelevant. A waiver is available under certain circumstances but whether the applicant is eligible cannot be determined from these facts.
While this answer is provided by a Florida Bar Certified Expert in Immigration and Nationality Law, it is for general information purposes only and an attorney/client relationship is neither intended nor created. You should seek out qualified counsel to review your case and provide you with advice specific to your situation. Call +1-561-478-5353 to schedule a consultation with Mr. Devore.