{Iran’s Ahmadinejad, Fidel Castro chat in Cuba|The two dined at the presidential palace and waved to hundreds of Ecuadorean from its balcony, where a big Iranian flag flew|Raul said his 85-year-old brother and Ahmadinejad met for two hours Wednesday, “a demonstration that his brain is working very well.” Fidel Castro stepped down in 2006 due to an illness that nearly killed him, but continues to write essays on world events|Trade between the two nations has been meager|denied involvement|HAVANA – Two of Washington’s top irritants, Mahmoud Ahmadinejad and Fidel Castro, discussed world events for two hours, and the Iranian leader on Thursday described the retired Cuban revolutionary as healthy and engaged, and declared their two countries to be allies “fighting on the same front.” “It made me enormously happy to see the comandante healthy and fit,” Ahmadinejad said through a translator at an impromptu airport appearance alongside Fidel’s brother, Cuban President Raul Castro, before flying off to Ecuador|