Through John Irish and Parisa Hafezi GENEVA (Reuters) – France and Iran traded tricky words on Thursday as main powers struggled to finalize an meantime deal to curb Tehran’s nuclear software in exchange for sanctions aid, with Paris urging the West to stay agency and Tehran deploring a lack of trust. Each aspect gave the look to be tempering anticipation of an impending leap forward after america, Russia, China, France, Britain and Germany got here with regards to winning concessions from Tehran in the final spherical of negotiations two weeks ago. Several Western diplomats mentioned there used to be a great opportunity U.S. Secretary of State John Kerry would join international ministers from the opposite 5 contributors of the six nation staff in Geneva in any other try and nail down an extended elusive deal with Iran. However there used to be no guarantee an accord designed to start out casting off the chance of Iran creating a nuclear weapons functionality – an intention it denies having – could be struck.