Not to mention the myriad of other nonsense charges they'll get you with ("loitering", "soliciting", etc) if they can't find anything specifically against your

Not to mention the myriad of other nonsense charges they'll get you with ("loitering", "soliciting", etc) if they can't find anything specifically against your speech. You can shout grammatically correct, sensible and lawful speech from the public street corner ("eat right! exercise! wash behind your ears!"), but if a cop simply tells you to move along and you refuse, you're still looking at being jailed.