COMMENDABLESnBeyond the Barbed-Wire BarriernDavid Dary: Cowboy Culture:nA Saga of Five Centuries; AlfrednA. Knopf; New York.nThe activities that took placenon July 4, 1976, show thatnAmericans, generally, are proudnof their heritage. The fact thatnalmost every elementary schoolnchild knows the mnemonic linen"In fourteen hundred and ninety-two,nColumbus sailed . . .