Former FBI Director James Comey pleaded not guilty on Wednesday to the two counts of lying to Congress being brought against him by the Trump administration. On the same day, ABC News reported that the prosecutors who were working on the Comey case — who were fired for their refusal to charge him — believed the key witness against Comey was fatally flawed.

It’s a case that appears both flimsy and nonetheless loaded with meaning for the future of American justice. Vox senior correspondent Andrew Prokop has been covering Comey, President Donald Trump, and their increasingly embittered feud for years. I wanted to ask him four big questions as the case moves forward.

You’ve been covering Comey for so long — back to the Hillary Clinton email investigation. How surprising is it that we’ve ended up here?

I think the real change is from 2016 when Comey was announcing his findings on the Hillary Clinton email case. At that time, he got a lot of criticism, but it was considered politically unthinkable that his job would be at risk or that anyone would interfere with his management of the FBI in any........

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