Political disadvantages are particularly tasty.
They are generic in the sense that a team could center their strategy around them every debate round. However, political disadvantages are specific enough that, with enough research, one could make their disadvantage very specific to a particular affirmative. There are several kinds of political disadvantages that an individual could run on any given affirmative. With a foreign policy topic a good negative team will have cards on both sides of the fence. Post the US midterm elections there is an excellent opportunity to run bipartisanship.