[EM] Query for one and all

[James Gilmour]

JBH asked: 
> My question, for one and all: Is there any desirable quality, that 
> any single-winner method has, that this method does not have?

Two problems.
1. Your second and subsequent preferences count against your first preference.
2. If more than first preferences have to be counted, the value of the votes of different voters may
be different if the voters truncate after different numbers of preferences.
James