Is it possible to require two private keys to decrypt with gpg?

[Chris DeYoung]

> However, I would like to question your need for requiring two gpg keys.
> How are they two gpg going to be more secure?

Guessing that possibly two different people need to be in agreement in 
order to access data, along the lines of needing two keys to launch 
missiles? :)

Otherwise, I agree just encrypting twice doesn't seem to buy much.

-C