It supports amending the law that was construed against the female telephone workers.
The Pan-Blue Coalition opposes enacting a new constitution, seeing the act as unnecessary, but supports amending it.
Public Citizen and Common Cause also support amending the constitution to overturn the Citizens United decision.
McCain has said he supports amending the U.S. Constitution to ban abortion, except in cases of rape, incest, or risk to the mother's life.
In 2012, he supported amending Georgia's Constitution to establish a statewide commission authorizing and expanding charter schools.
Johnson supports amending the U.S. Constitution to require an annual balanced budget.