Boston.com has The Big Picture — 37 photos from the world of drug use and the drug war.

These are powerful and sometimes very disturbing images.

It’s interesting how perspective changes based on what you know. I look at these photos and I see graphic proof of the undeniable need to end this war on drugs.

And [...]

So far, the responses to the Holder memo (that puts in writing the administration policy of not interfering with state medical marijuana operations unless they feel like it) has gotten a lot of favorable press — so much so that it’s likely to help apply pressure on the feds to actually make good their… pledge [...]