...of actual Republican planners laying out how they would use the census to, as Merlin says, 'gerrymander the country.'

Although I'd bet California was the MAIN target...

https://www.latimes.com/nation/la-na-republican-operative-census-gerrymandering-20190629-story.html

'Opponents of the Trump administration's plan to include a citizenship question on the 2020 U.S. census say records found on a hard drive in Hofeller's home unmask partisan intent, including language nearly identical to the Justice Department's stated justification for the question: aiding enforcement of the Voting Rights Act. The U.S. Supreme Court ruled Thursday that the rationale seemed contrived and sent the case back to a lower court in New York.'

The rationale was indeed contrived. This wasn't just 'any activity' or 'anyone.'