Ileana R Yarza holds a letter US President Barack Obama sent her via a flight carrying the first batch of US mail to Cuba, at her home in Havana. Yarza, 76, wrote to Obama in February, inviting him to have u201ca cup of Cuban coffeeu201d at her home in Havana. The presidentu2019s letter, thanking Yarza, was among the first batch of letters to reach Cuba from the US in 50 years.