She rides in the Iris parade, and says last year her floatmates were so happy she came back that they cried.

NPR: Mardi Gras Gives a Smaller Bounce to New Orleans

The Mexican government announced last week that it will be the first country to integrate iris scanning as part of its national identity card.

FORBES: Osama bin Laden's Identity Confirmed With Biometrics Technology. You're Next -- and You Should Care

Trials in the UK last year identified a high level of failure in the registration and verification of iris, fingerprint and facial recognition among a pool of 10, 000 British citizens.

ENGADGET: U.S. to abandon biometric passport plans, for realz

Last month Panasonic unveiled the Authenticam, a PC camera that uses iris-ID.

FORBES: Spotting Evil

Among the events considered were the meeting of Gerry Adams and Ian Paisley last March, Devolution Day on 8 May, Iris Robinson being ejected from Stormont, Ian Paisley and Martin McGuinness at Wall Street with President Bush and the resignation of Ian Paisley Jnr.

BBC: D-day for Politics Show awards