DENVER – Picking a winner of the presidential contest is front and center at what's being billed as the largest astrologers' convention in years. More than 1,500 astrologers from 45 countries have descended on Denver, site of the Democratic National Convention in August, for the “United Astrology Conference: Rockin' the Universe.” The gathering concludes Tuesday with a panel predicting a presidential winner in November. Key to those picks: Astrological charts for John McCain, Barack Obama and Hillary Clinton. And integral to those charts: The candidates' exact birth times. A hush fell over the convention hall late Thursday when Dallas astrologer...