ouglas Herrick, who gets both the credit and the blame for perhaps the tackiest totem of the American West, the jackalope — half bunny, half antelope and 100 percent tourist trap — died on Jan. 6 in Casper, Wyo. He was 82. The cause was bone and lung cancer, his brother, Ralph, said. Douglas Herrick lived in Casper, but it was in his hometown, Douglas, Wyo., that luck changed his life. In 1932 (other accounts say 1934, 1939 and 1940, but Ralph Herrick swears it was 1932), the Herrick brothers had returned from hunting. "We just throwed the dead jack...