USmedia Are Generally Allowed to Publish or Broadcast Free from the Threat

U.S.media are generally allowed to publish or broadcast free from the threat of prior restraint.Which of these constitutes an exception to this freedom?

A) a senator's reelection campaign strategy
B) exit polls during a close election
C) top-secret military operations
D) the adverse effects of the Endangered Species Act
E) the president's past financial affairs