To argue that immigration is too high or even that Asian migration is too high constitutes a legitimate, although debatable, political view.

CNN: LETTERS AND COMMENT

But they will also point to two debatable United goals, although in reality they were massively inferior to their English counterparts.

BBC: Man Utd 3-0 Celtic

The causes are in doubt (see article), but then, strictly speaking, so are the facts: although the broad picture is clear, some of the study's findings are debatable.

ECONOMIST: Cutting the cookie