The U.S. Department of Commerce wants to add a citizenship question to the 2020 Census. It serves no useful purpose. In fact, it will skew the data by depressing response rates — while increasing the cost to taxpayers.

The U.S. Department of Commerce wants to add a citizenship question to the 2020 Census. It serves no useful purpose. In fact, it will skew the data by depressing response rates — while increasing the cost to taxpayers.