It might have been an evening with a sexologist, a lecture accompanied by slides from a rafting trip in Africa, or a conversation about happiness and the meaning of life. But tonight - a political parlor meeting. The host is Omer Bar-Lev, a Labor candidate for Knesset who has been put in the No. 7 place on the party list. The location: The latter-day equivalent of Tel Aviv's upscale Tzahala, namely Kochav Ya'ir,...