Two years ago, when unions and Democratic politicians sponsored a ballot measure to reduce the required legislative vote on the state budget from two-thirds to a simple majority, this column and others raised the possibility of ancillary mischief. Proposition 25's vote change applied not only to the budget itself, but other bills containing "appropriations related to the budget bill," known in the Capitol as "trailer bills." We pointed out that trailer bills had morphed from technical vehicles making minor adjustments in law into political Christmas trees that were often written in the dead of night and hastily enacted without their...