Paintings are too hard. Machines have less problems...In the 1960s, Andy Warhol became the most famous creator of a new style of art called pop art, which transformed mass-produced items of popular culture into fine works of art. From Campbell's Soup cans to photographs of Marilyn Monroe, Warhol's willingness to use anything and everything from the mass media in his work expanded the range of subject matter available to artists. His avant-garde films,...