The House Committee on Oversight and Government Reform’s top Democrat, Rep. Elijah Cummings seen here in 2017, co-signed a letter requesting a subpoena for documents about the 2020 census citizenship question from the Census Bureau and Commerce Department, which oversees the census.

The House Committee on Oversight and Government Reform’s top Democrat, Rep. Elijah Cummings seen here in 2017, co-signed a letter requesting a subpoena for documents about the 2020 census citizenship question from the Census Bureau and Commerce Department, which oversees the census.