moscow russia hop syrian opposition group attend moscow-backed syrian congress southern russia nov. 18 despite objections russian deputy foreign minister mikhail bogdanov say thursday interfax news agency report event call syrian congress national dialogue first mention president vladimir putin last month say believe militants syria would soon defeat due hold black sea resort sochi damascus back russian plan opposition group reject idea call attempt rehabilitate president bashar al-assad government say stick u.n.-brokered geneva peace talk ask moscow still hop see opposition group like high negotiations committee refuse come attend interfax cite bogdanov say hope everyone believe fate country unity territorial integrity sovereignty important participate moscow hop syrian opposition attend russia-backed congress ifax