Turmoil and tensions at FDA after dramatic exit of top drug regulator

Scramble to find replacement for George Tidmarsh shines light on dysfunction at US regulatory agency

After the dramatic ousting of the top drug regulator at the US Food and Drug Administration (FDA) two weeks ago, officials have scrambled to find a replacement in a process that has revealed the agency's internal cracks and tensions.

It's troubling news for a regulatory agency that has previously enjoyed a reputation for stability and consistency.