Worried they could be sued by gay couples, some churches are changing their bylaws to reflect their view that the Bible allows only marriage between one man and one woman.

Although there have been lawsuits against wedding industry businesses that refuse to serve gay couples, attorneys promoting the bylaw changes say they don't know of any lawsuits against churches.

Critics say the changes are unnecessary, but some churches fear that it's only a matter of time before one of them is sued.