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An Orthodox body which promotes religious-secular coexistence is the
Israeli rabbinic organization "Tzohar", which began by offering (free)
siddur-huppah primarily for secular couples, including pre-marital
counseling, and has branched out into other areas where rabbis can help
foster greater understanding and communication. There are several
non-denominational "dialogue" organizations, such as "Du-Siah". For
further information, you might contact the Avihai Foundation, which
supports organizations of this nature.
Avie Walfish</HTML>