Comedy actor and director Harold Ramis, best known for films such as Ghostbusters, Groundhog Day and Caddyshack, died at his home in Chicago at the age of 69 of complications from a rare vascular disease, his agent said on Monday.Ramis, who had suffered from the rare illness since 2010, passed away peacefully on Monday morning, surrounded by family members.I am sad to say the news is true,