> But while the member office is under no obligation to listen to any communications, they can’t tell people that they can’t communicate with their elected official.

> In 2006, a woman in Colorado left a package full of dog feces in the mailbox of an office of Republican Rep. Marilyn Musgrave. She was charged with using a noxious substance — but her lawyers argued that she had a First Amendment right, and that it was protected speech. She was found not guilty.

If you've got the First Amendment right to send your rep dog shit, you've got the right to tweet at them.