Trost vs. Harper?

[dewline]

I don't know if this marks the beginning of either a caucus rebellion or an outright schism, but maybe we ought to keep an eye on it. Just in case.

http://www.cbc.ca/news/politics/inside-politics-blog/2011/09/and-then-there-were-three-more-tory-backbenchers-join-brad-trosts-battle-against-the-ippf.html