[EM] Efforts to improve on CR's strategy

[Bart Ingles]

Clarification:

> Here's what I think of as a single-issue trial:
> 
> Assume a single (unnamed) issue, in which any voter or candidate can
> take a position pro or con.  You have 3 candidates (A, B, and C) who are
> at positions +.7, +.2, -.5.  You also have a number of voters who each
> can be placed at some point along the same scale.  Voters' utilities can
> be determined by distance from each candidate.  For example, a voter at
> +.4 would have absolute ratings (distance) for the three candidates of
> -.3, -.2, -.9.

The distances were absolute values (.3, .2, .9).  I made them all
negative (-.3, -.2, -.9) because greater distance translates to lower
utility (the best possible score would be zero).  The resulting negative
numbers can then be translated to the desired utility range.

Bart