
1. This is a matter of constitutional law, as the reporter is defending her rights as a citizen stated by the Constitution (in this case, her freedom of expression).
2. It is a combination. On the one hand, the case will involve studying the constitution, and what it has to say about the reporter's freedoms. On the other hand, it will require studying the statute that argues that news agencies cannot publish information that can threaten the nation. Finally, case law will likely be relevant if there is a similar precedent in the law.
3. The law that the federal government is presenting is intended to protect the citizen's from threatening information. On the other hand, the law that the reporter is referring to is intended to protect her freedom of expression.
4. If the law to protect citizen's from information did not exist, it could be an obstacle for the effective action of the government. It could also cause panic and animosity among the people. If the law the reporter is defending did not exist, the government would be able to control the press completely.