Rohit Chopra, who led the Consumer Financial Protection Bureau, was known for his aggressive enforcement and expansion of consumer protection laws.

Mr. Chopra, long a target of criticism by Republican lawmakers and banks, has not yet been forced out. “I swore an oath to a five-year term,” he said this week.

Inside the $32 billion industry transforming marijuana, its consumption and beliefs about its ability to heal.

Consumer and food safety groups have long urged the agency to revoke the use of this dye and others. The F.D.A. says there still is no evidence it is a human carcinogenic.

The future of the new rule remains in question, however, with President-elect Donald J. Trump set to return to the White House this month.

After nearly two decades of fighting, the battle over regulations that treat broadband providers as utilities came to an end on Thursday.

While some agree with Robert F. Kennedy Jr. that the agency needs reform, their ideas for fixing it are very different from his.