Consensus?: IRV vs. Primary w/Runoff

[DEMOREP1 at aol.com]

Forest wrote-

All seriously proposed election methods are subject to manipulation,
because all require strategy to one degree or another to maximize expected
outcome, and all optimal strategies require information about the
intentions of the other players.

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D- Again -- his happens when there are 3 or more choices.

N1 AB
N2 BA

Add C

C may (depending on the method being used) --

beat A and B
beat A lose to B
beat B lose to A
lose to both A and B

More combinations, of course, with 4 or more choices.