Probably the biggest stoner in the world is an old white guy from the stix...
http://www.nndb.com/people/636/000022570/willy-nelson-1.jpg
Theyd probably search his bottle too if he was a tad bit possessive over it for seemingly no reason...
What you detail is not a RACE thing, its an IMAGE thing.. If Barack Obama walks through the airport with a water bottle, do you think they are going to be suspicious that he might be toking? If Vick doesnt want to be looked upon as being a suspected stoner, dont wear the chains and all the trappings of a rapstar.. Its asking for trouble...
Often, what people suspect as racial profiling, is often age profiling and image profiling.. Young people tend to be more prone to "deviant" behavior.. That is undisputed.. So, if you are young, rich, and protray yourself in an image known for indulging in certain forms of narcotics, dont be surprised when "The Man" looks at you just a bit longer then everyone else..