The background for the Minnesota lawsuit does a great job of showing how Instant Runoff Voting fails voters and why it should be stopped.
North Carolina has "piloted" a form of Instant Runoff Voting in Cary and Hendersonville . With IRV, some voters' ballots are worth more than others.
Dr. Rebecca Mercuri describes IRV as susceptible to "potential gaming of the ballot set that may not be independently detectable or auditable, these run-off styles must be prohibited."