Answer:
Propaganda
Step-by-step explanation:
According to the given statement made by former Secretary of Defense Donald Rumsfeld, he talks about how the news media seem to want to talk about only the negative happenings while largely ignoring the positive occurrences.
According to this, the type of technique of communication that is being referenced in the statement is propaganda.
Propaganda is described as a false or misleading information that is meant to support a particular (political) cause.