North Carolina voters today are casting their ballots on Amendment One, an extreme measure that would write discrimination into the state’s consitution and potentially take away important protections for all unmarried couples, gay and straight.

The amendment states that “marriage between one man and one woman is the only domestic union that shall be valid or recognized” in North Carolina. It would not only deal another blow to gay and lesbian couples in the state, who are already prohibited by law from marrying, but endangers protections for all unmarried couples, including domestic violence protections and health insurance coverage.

The Coalition to Protect North Carolina Families is running a handful of powerful ads showing Amendment One’s potential devastating impact. Here are a couple:

President Bill Clinton also recorded a robocall on behalf of the anti-Amendment One campaign. You can listen to it here.

North Carolina voters can find your polling place here.