Ireland could make history this week. Same-sex marriage is legal in about 17 countries around the world. In all of those countries, the decision was made by the legislature or the courts. Ireland appears poised to become the first country to legalize same-sex marriage through a national popular vote set for Friday.
In Dublin, it is impossible to miss the debate. Nearly every lamppost carries a big poster, or several.
"YES: Equality for everybody," reads one showing a diverse group of smiling people.