Over the last half-century or so there has been an explosion in the rates of autism -- particularly among boys.
While there is no argument over those numbers, there is a huge debate over what caused it.
Some families blame vaccines, and particularly the mercury that was used for years as a preservative in them.
But the medical community continues to defend vaccines as safe.
And in this edition of the Buckley Report you're about to meet two Piedmont families who ask whether, to some degree, both sides are right and what we need to do about it.