How to Tell and Irishman from a Tourist

1) When it rains, all the tourists run for cover.

2) The Irish Prime Minister rides in the front of the car (next to the driver). They are the only nation in the world to do this.

3) When told they are leaving a pub in 5 minutes:
A tourist will: finish their pint
An Irishman will: panic and order 3 more pints