http://thelamron.com/2013/10/24/getting-consent-implication-enough
BTW, this is another place I'm scratching off the list for my daughter's upcoming higher education.
Parents should also scratch that college off the list for any sons who they do not wish stuck with false rape charges.
We need a new term for "intoxicated sex" (like "intoxicated sex"), and leave "rape" for cases where the girl was made to submit by force or explicit threat of violence.