Best line ever heard on police band … When a caller reported a “unicorn-like” animal galloping down an open Central Valley road, the California Highway Patrol suspected someone was high on hallucinogenic drugs. But then officers met Juliet — a snow-white, 600-pound Shetland pony with a prosthetic horn and a fuzzy pink bridle. The wannabe unicorn twice bolted from a photo shoot in Madera Ranchos on Wednesday, leading CHP officers