George Clooney was seen leaning up against a car on Tuesday afternoon in Boston, as he geared up to film a few scenes for his upcoming project The Tender Bar.The 59-year-old actor and director was seen talking up the stars of the film--Tye Sheridan and Ben Affleck --as they prepared to shoot a scene with co-star Lily Rabe.The Tender Bar is an adaption of the memoir of the same name by Pulitzer Prize-winning author and film subject J.R. Moehringer, who will serve as an executive producer on