When I was in Salt Lake City in January, I saw a truck pulling one of those combination trailer/billboards. The ad was in support of Utah’s new school voucher program, wherein the state will pay you money not to send your kid to public school, or something like that.
Here is a picture I took of the billboard in question:
In case you can’t quite make it out, here’s an enlargement:
This is a pretty good endorsement for the voucher program, actually. The people who made this sign were probably educated by public schools, and look where it got them.