[Think free or die]

"And do they play Calvinball?"

I don't know. It's possible that they call it something else. I've not heard them mention it, but they sometimes devolve into "Brother-speak" and I don't know what they're talking about.

[Personal Responsibility]

I figure you would both like this :)

http://www.simplych.com/cb_rules.htm

[Fierce Allegiance]

sometimes devolve into "Brother-speak" and I don't know what they're talking about.

My twin daughters do that. It's real freaky!

[Trillian]

"And do they play Calvinball?"

Isn't that the same thing as "Trench"?