in particular, seem to have forgotten their "come-to-papa" moments with Astroturf.
You want a uniform message?
Check out these examples. (So much from which to choose.)The 45 Dumbest Signs At The 9/12 Tea Party Rally. (BuzzFeed)
Tea party rally signs ideas! (Meridian Tea Party, 9/9/09)
Signs of the Times: Slogans and Images From the Tea Party Rally. (The Atlantic, 9/13/2010)
And here's one of my own.