Katie Couric's Notebook: Luck O' The Irish

On St. Patrick's Day, people like to salute the luck of the Irish. But there's one area where they may not be so lucky.

The apostrophe. All those O'Connors, O'Malley's, and O'Briens are finding that a lot of computers are simply baffled by the apostrophe.

Just click the monitor for more.