The question was "what is your source that Minnesota was in play". According to ABC, the candidates (packs) must see something in their internal polling that shows the state worth spending money on.

>>>Minnesota is "in play"? What is your source for that? The FiveThirtyEight says it is 97.3% likely to go for Obama. With one week to go.
>>
>>How about this.
>>http://abcnews.go.com/blogs/politics/2012/10/abc-news-moves-pensylvania-minnesota-from-safe-to-lean-obama/
>
>"That means that SuperPAC’s with lots of money can get a better return on their investment on the airwaves in places like Pennsylvania and Minnesota than in the eight battleground states where the campaigns have been most heavily engaged."
>
>can IMO be translated also as: as there is a Pareto effect in votes/money,
>Romney will get better popular vote easier than really switching delegate votes.