03/18/14: Green as far as the eye can see

Thousands of people line the streets to watch as colourful dancers make their way up O'Connell Street during the St Patrick's day parade in Dublin, Ireland, Monday March, 17, 2014.   The world's largest parade celebrating Irish heritage set off on a cold and gray morning, the culmination of a weekend of St. Patrick's Day revelry.(AP Photo/Peter Morrison)
Thousands of people line the streets to watch as colourful dancers make their way up O’Connell Street during the St Patrick’s day parade in Dublin, Ireland, Monday March, 17, 2014. The world’s largest parade celebrating Irish heritage set off on a cold and gray morning, the culmination of a weekend of St. Patrick’s Day revelry.(AP Photo/Peter Morrison)