Conversation so far:
what was Judith Miller's refusal?
Judith  Miller was jailed for refusing to testify before a federal grand jury.
what were they asking Judith Miller to testify for?
Judith Miller was asked to testify about a leak naming Valerie Plame as a CIA officer.

Question: what happened when she refused to testify?
Self-contained rewrite: what happened when Judith Miller refused to testify?