Class Cut-Ups If I Had a Hammer: Winston Smith's collage gives Christmas cheer a disturbing twist. Collagists and assemblagists gain new respect By Zack Stentz Chopping up existing works of art and rearranging their components to create new meaning is the quintessential late-20th-century mode of expression, which can be seen manifested in everything from the billboard ad for a pricey gin to the ...