Judging from the eight-page document -- which Biden's office said was only a "partial list" -- Biden has quite a headstart on Palin.
As of September 23, his office says, he has met with the leaders of nearly 60 countries, territories and international organizations (such as the United Nations and NATO.) The list of names runs to about 150 people -- including nine Israeli prime ministers (ten if you including prime minister designate Tzipi Livni), four Soviet leaders and two Russian presidents, a few kings and a queen (of England), Pope John Paul II and the Dalai Lama, and even a few tough guys like Libyan leader Moammar Gaddafi and Serbian president Sloban Milosevic.
Here's how McCain-Palin adviser Stephen Biegun spins it.