LOS ANGELES - Jews and Muslims plan to meet in 100 mosques or synagogues across North America between Friday and Sunday in what organizers call a "Weekend of Twinning."

One synagogue and one mosque will team up -- in at least 50 different pairings -- to discuss their differences as well as what they have in common.

The project is being spearheaded by Rabbi Marc Schneier, whose Foundation For Ethnic Understanding also has produced a public service announcement in which rabbis and imams denounce anti-Semitism and "Islamophobia."

Jews and Muslims both trace their roots to the patriarch Abraham, so Schneier says, "Not only do we share a common faith, but we share a common fate."

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