(POLITICO) It’s Bob Dole vs. the home-school lobby, Round two.

This marks the second time the former senator will square off against Mike Farris, president of the Homeschool Legal Defense Association, on the same issue: an international treaty on rights for people with disabilities.

Farris mounted a public campaign against the treaty when the Senate took it up in 2012, fanning concerns among prominent conservatives like Rick Santorum and The Heritage Foundation that it could infringe on the rights of parents whose children have disabilities, threaten states’ rights and become a legal tool for pro-choice advocates pushing against restrictive abortion laws.

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