Yeah, “we” meaning ‘Americans’ is the first example I would have thought of. But I suspect there are lots of cases where “we” (interpreting the context literally) refers to a group excluding a non-trivial fraction of the readership which I wouldn't even consciously notice unless I was looking for them.
Original at Washington Examiner
http://washingtonexaminer.com/down-with-politics/article/2508882#.UGSscI0iYZm
Repost at Reason.com
http://reason.com/archive/2012/09/25/why-politics-are-bad-for-us