Iranian President Mahmud Ahmadinejad arrived in Lebanon on Wednesday to a hero's welcome and blaze of fanfare that belied the country's rising intercommunal tensions and Western misgivings about his visit. Shouts of "khosh amadi" ("welcome" in Persian) and showers of rice, sweets and petals greeted the Iranian leader as he waved to crowds from an open-topped car after arriving in Beirut at the beginning of a two-day trip. It's Ahmadinejad's first visit to Lebanon, where Iran has cultivated close relationship with Hezbollah, the Shi'ite Islamist group that fought a bitter five-week conflict with Israel in 2006. He was expected to...