Cold weather brings dramatic look at historic steam engines

White clouds billow upward against a deep blue sky, signaling the approach of Union Pacific Locomotive 119 to Golden Spike National Historical Park in a late-December reenactment of a scene that enthralled travelers over a century ago — and entertains curious onlookers today, especially in winter.When cold winter air mixes with hot air rising from a coal-fueled train engine, the ensuing columns of white steam from the iconic scene that most people identify with their favorite Old West film