This is important enough that, for what it's worth, I'm signing on to the Bloggers for Shadegg.
We need smaller government and the means to enforce it, not more limitations on yours and my power to petition. Shadegg is the only one so far willing to take these things head-on in a meaningful way.
If you have a Republican representative, call him or her. If, like me, you're among the unfortunate minority, call the Republican reps in your state. If you're in Colorado, remind them that we've got two of the most vulnerable Republicans here, and that it's not 1998 any more.