A child and three adults were found dead after a house fire in the affluent suburbs of Northwest D.C. that is being investigated as a homicide. The spacious $2 million family home, a short walk from Joe Biden's home on Embassy Row, is owned by Savvas Savopoulos, president and CEO of American Iron Works, the leading manufacturer of building works in the United States. Savopoulos, 46, lived with his wife Amy, two teenage daughters Abigail and Katerina, 10-year-old son Philip, and two house keepers in the exclusive neighborhood alongside numerous ambassadors. Friends of the Savopoulos family told DailyMail.com fourth-grader Philip...