Americans with telescopes, cameras and protective glasses staked out viewing spots along a narrow corridor from Oregon to South Carolina to watch the moon blot out the midday sun for a magical couple of minutes Monday in what promised to be the most observed and photographed eclipse in history. Sky-watchers everywhere — and millions were expected to peer into the sun — set out lawn chairs and blankets and awaited the first total solar eclipse to sweep coast-to-coast across the U.S. in practically a century. Astronomers were giddy with excitement. Jim Todd, a director at the Oregon Museum of Science...