I'm a weed smoker myself, an advocate of making pot legal, and have posted those very statements at least 100 times on this board. You should probably know something about the poster before you accuse him/her of something that isn't true.
Also from the same link...
What I said was 100% accurate. A blood test, like the one given to Ward post mortem, can determine if the person is currently under the influence. Why are you having such a hard time grasping this?Because marijuana stays in the bloodstream for a short time, blood tests for marijuana are usually not used, except in the case of automobile accidents and some roadside sobriety check points. Blood or saliva tests can show current intoxication. However, unlike blood alcohol concentration tests, they do not indicate a level of intoxication or impairment.
How did this thread get so terribly off track, and how can we get back to the subject at hand?