Why the next royal baby could sway Scotland's referendum

Britain's Catherine, Duchess of Cambridge, carries her son Prince George alongside her husband Prince William as they visit the Sensational Butterflies exhibition at the Natural History Museum in London, July 2, 2014. Prince George celebrates his first birthday on July 22. Picture taken July 2, 2014. REUTERS/John Stillwell/Pool (BRITAIN - Tags: ROYALS SOCIETY TPX IMAGES OF THE DAY) ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS - RTR3ZL1T' height='259' alt='BRITAIN-ROYALS/' width='460' src='http://news.guugll.com/wp-content/uploads/2014/09/why-the-next-royal-baby-could-sway-scotlands-referendum.jpg' />

Within hours of word spreading that Prince William and Kate are expecting a second child, speculation swirled about what it could mean for the upcoming Scottish independence vote.