This could work, but with an additional step: there should be a background check and/or psych test on the candidates. If they're found to have (or have had) an

This could work, but with an additional step: there should be a background check and/or psych test on the candidates. If they're found to have (or have had) any desire to become one of the leaders, they're disqualified. Only people who don't want the job are allowed to have it (and it's mandatory).