Here is another reason why...
During her interview with ABC News' Charlie Gibson Thursday Republican vice presidential nominee Sarah Palin attempted to deflect a question about the fact she has never met a foreign head of state by saying that "many" other vice presidential nominees in history hadn't met a head of state either. How far back shall we go, Gov Palin? Here is a list of the modern day vice presidents who had met foreign heads of state prior to becoming VP.
Cheney
Gore
Quayle
Bush
Mondale
Ford
Rockefeller
Humphrey
Johnson
Nixon
Barkley
Truman