[Positive]

"Remember, this is a survey of historians, many of whom are liberal."

But remember that liberals as we now know them didn't come into being until LBJ. Compared to LBJ and all liberals since, the prior Presidents would have been considered Conservatives...including JFK.

[Cableguy]

I was talking about the historians being liberal. They would rank FDR, Kennedy, Clinton, Carter higher than conservative historians would.