[EM] Median bifurcation using pairwise matrix

[Richard Moore]

Roy wrote:
> I'm afraid I've scrambled two different methods under one name. 
> Median bifurcation, as I originally intended it, groups the 
> candidates based on median *rank*. As Forest pointed out, a majority 
> of voters can rank the CW in the lower half, which would rule him 
> out, so it fails Condorcet (but it takes a pretty polarized 
> electorate to do that).

Sorry, I didn't catch on that you were describing two 
distinct methods. My comments on criteria compliance apply 
to the pairwise matrix version.

Richard