Should all activities of the government be open to media coverage?

Should all activities of the government be open to media coverage? Why or why not? In what circumstances do you think it would be appropriate for the government to operate without transparency?
1) Answer the question being asked with 1-2 supporting arguments and evidence found in news articles or peer-reviewed journals
2) What you have learned about Media coverage (3-5 reasons)
3) Resources (use at least 3-5 news articles or peer-reviewed journals)