Fair enough. In practice though even if the theory doesn't hold up, you'd need to work pretty hard to get charged with possession by the feds. Even if you punch

Fair enough. In practice though even if the theory doesn't hold up, you'd need to work pretty hard to get charged with possession by the feds. Even if you punched a federal judge while holding a bag of weed, they'd probably still toss the possession charge just to keep jury nullification types from trying to get seated.