If Obama is elected then a major barrier will have been destroyed. Now, if he becomes anything close to the amazing person that those three you mentioned were, that will be a whole different chapter in the books. But I wonder if this country will ever see another President along the lines of those guys.

Yup. FDR died a year before I was born, and I reckon there are very few on this board who remember him directly. That's the importance of this election -- it's major history occurring in our own lifetimes.

... Reed