Truthfully, though, I dont' think it really matters. Sennheiser does that so no one switches one lead and ends up out of phase.
It very much might: http://wiki.faust3d.com/wiki/images/2/24/U70review79.jpg
That may be true, if the positive pulse should push the cone out instead of pulling it back.
I just finished stripping the 4 wires out of 5 meters of Mogami w2893. That's 196 inches people. That was torture.