The president temporarily waived clean-air rules for industrial facilities that spew cancer-causing gases. Then his appointees worked to gut the regulations altogether.

The charges intensified the administration’s efforts to go after the law enforcement and intelligence personnel who cast doubt on unsubstantiated claims that Joseph R. Biden Jr. engaged in corrupt dealings in Ukraine.

© Erin Schaff/The New York Times

Two former FBI intelligence officials who specialized in foreign election interference were charged Friday with making false statements about their roles in investigating the origins of Hunter Biden's laptop in the run-up to the 2020 presidential election.