In the wake of West Side Story and the upcoming semi-autobiographical The Fablemans, Steven Spielberg has clearly been on a mid 20th Century kick in which he's mined memories of his youth. This is continuing with news that he and screenwriter Josh Singer are developing an original feature based on the character of Frank Bullitt, the San Francisco plainclothes detective played by Steve McQueen in Peter Yates' Bullitt ('68).