Postpone that day by picking your fights and including some useful, thought-provoking information in your alert message. If you're running a sustained campaign, set up your own list, like Jim Warren did. Then send out a single message that calls for some action and include an advertisement for your new list. When the campaign is over, try to derive some lessons for others to use. Even if you're burned out, take a minute right away while the experience is still fresh in mind.
Good guesses are useful too.
If you want to build a lasting political movement, at some point you'll have to gather people together, and it's really not clear whether the net is a good medium for doing this. More on this topic in future TNO's. Your message will circle the earth, maybe to many tens of thousands of people, so definitely check your facts. When you make mistakes, you cause great disruption in the world, as well as discrediting yourself, your organization, and the whole idea of network action alerts. In the particular case of legislative campaigns, this is a pattern that's developing throughout the world of lobbying.