Statutory construction, Crim
Federal statute does not import state standards for the ability to consent -- fundamentally a decision for the jury.
Dissent: (Koz) No ambiguity in statute.
https://d3bsvxk93brmko.cloudfront.net/datastore/opinions/2016/01/14/13-10543.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.