Footage has emerged showing Missouri congresswoman Vicky Hartzler comparing gay marriage to incest, paedophilia and allowing three-year-olds to drive.
The Tea Party-backed politician told a conference of college students that if same-sex marriages were allowed, it would lead to paedophiles and polygamists being allowed to marry.
In secretly recorded video, posted on YouTube, Mrs Hartzler said: ‘Well, think about it. That starts you down the road to opening up licensure to basically meaning that the license would mean nothing.
‘If you just cared about somebody, have a committed relationship, why not allow one man and two women or three women to marry?'
