Secondly, sorry, but way too many people will forget to change their registration back to Republican. And, if you are going around telling everyone that they can change it back in 2 years, then you let the cat out of the bag and it becomes a fake protest.
I agree it is best to hold their feet to the fire by phone calls, faxes, e-mails, tweets, or whatever. Also, it is important for interested parties to come out from behind their computers and help out with precinct walking and phone banking. Also, please stop screaming at everyone.
You think no one would notice for 3 months? It would hit the news (like on Hannity or Rush) in days
(especially if we tell them)