Thomas Jefferson

The provided news articles do not contain any information about Thomas Jefferson. One article discusses the historical relationship between Cuba and the United States, mentioning US expansionist desires in the mid-19th century. The other article focuses on the demolition of the East Wing of the White House during Donald Trump's presidency to make way for a ballroom, and the preservation of the White House mansion's eastern facade during this process. Therefore, it is impossible to provide a summary about Thomas Jefferson based on these articles, as he is not mentioned or relevant to their content.