A planned protest outside Tom McClintock's congressional campaign office failed to materialize Friday morning, with no explanation as to why.

Thursday night, the group California Young Democrats sent an e-mail to media that said the group would protest outside the McClintock's Roseville campaign headquarters at 10 a.m. Friday over his comments earlier this week on why he supported Proposition 8.

In those comments, Republican McClintock quoted Abraham Lincoln as saying calling a dog's tail a leg doesn't make it a leg, and said that calling a gay couple's partnership a marriage doesn't make it a marriage.

A group opposing Proposition 8 immediately condemned McClintock's remarks as comparing gay couples to dogs, and a spokesman for his campaign said the remark wasn't meant to make an analogy.

But while McClintock campaign staffers kept a watchful eye out for protestors on Friday morning, the chants and placards still hadn't appeared by 11 a.m. McClintock's campaign did not return a call for comment Friday.

Group executive director Claire Conlon, who sent out the advisory about the planned protest, did not return a call seeking comment Friday.

Rocky Fernandez, the group's president, said he didn't know what had happened.

"We've got a lot of people working on campaigns right now, so it might be a little hard to get people out to a protest," he said, adding he was in the Bay Area and hadn't planned to take part. "We definitely oppose Tom McClintock and we definitely oppose Proposition 8, and we hope to see them both defeated on Nov. 4."

ELSEWHERE on PolitickerCA.com:

• McClintock campaign: No offense intended on Prop. 8 comment
• McClintock blog entry upsets No on 8 campaign leaders