House Speaker Paul Ryan announced Rep. Tim Murphy's resignation Thursday.
The devices, which allow semi-automatic weapons to fire like machine guns, were used by the Las Vegas shooter.
A bill signed by Gov. Jerry Brown will limit cooperation between local law enforcement and federal immigration officials.
Secretary Ryan Zinke is steering the agency badly off course, says Joel Clement, who resigned from Interior on Wednesday.
"Are you not aware that you are making unspeakable tragedy sound like good news?"
Read more from Yahoo News: A surreal scene as Las Vegas returns to business after Sunday massacre Las Vegas casino workers
Because The New York Times "is going to twist every single word" of his, she explained.
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The EPA reportedly will propose repealing the Obama-era anti-pollution policy.
“It’s a very courageous decision by D.C."
The GOP is warming to the idea of banning the device that figured in the Las Vegas mass shooting.
The Justice Department called the challenge “premature."
Joshua Gordon, director of the National Institute of Mental Health, believes more work must be done on connections between suicidal thoughts and overdoses.