Expert "cautiously optimistic" Iran talks will resolve issues Tortuous negotiations aimed at ending fears that Iran will acquire nuclear arms shifted into top gear Saturday, with the Iranian foreign minister saying he was confident the outstanding hurdles blocking a deal could be overcome. In an interview with AFP, International Crisis Group's Senior Analyst for Iran, Ali Vaez, says "we can be cautiously optimistic that the remaining issues ... could be solved in the next few days." IMAGES AND SOUNDBITES