The article says: "Romney's position or choice of emphasis on certain social issues, including abortion,[101] some aspects of gay rights,[nb 12] some aspects of stem cell research,[nb 13] and some aspects of abstinence-only sex education,[nb 14] evolved into a more conservative stance during his time as governor." It might be useful to break this up into position change on the one hand, and change of emphasis on the other.  The two things are quite different, and it would be preferable to not lump them together.