Marathon op starts to separate conjoined twins

A pair of 29-year-old Iranian twin sisters who are joined at the head began a marathon operation today that could finally separate them – or kill them.

After a lifetime of compromises on everything from when to wake up each day to what career to pursue, Ladan and Laleh Bijani said they preferred to face the dangers of the surgery – which could last up to four days – rather than continue living joined together.