The political relationship between President Bill Clinton and British Prime Minister Tony Blair is the focus of a movie for HBO penned by “Frost/Nixon” writer Peter Morgan. If “The Special Relationship” gets the go-ahead, Dennis Quaid will play President Clinton and Julianne Moore will portray Hillary Clinton, with “Frost/Nixon” star Michael Sheen as Blair. This would be Sheen's third screen portrayal of former British PM Blair. He played him in two Stephen Frears movies written by Morgan: 2003's “The Deal” and 2006's “The Queen.” If the project is green-lighted, Morgan will make his directorial debut with the film.