Say 'cheers' to Irish farmers this St. Patrick's Day

Symbols like shamrocks, Irish harps and Celtic crosses have been used to mislead people about the origin of food produce.

Entrance to the Guinness factory in Dublin Ireland. Guinness has been brewing ales since 1759 at the St. James's Gate Brewery, in Dublin.

Millions will raise their drinking glasses across the globe tomorrow to celebrate Saint Patrick’s Day and everything Irish.

Many of them will toast each other with a range of Irish drinks that are now available in cities and towns worldwide.