Verified answer

President Obama has.

From the article you're quoting:

The only president to publicly discuss (and for that matter embrace) “American exceptionalism” is Barack Obama.

Obama.

“My entire career has been a testimony to American exceptionalism,” Obama said, pointing to the 2004 Democratic convention speech that lofted him into the running for the presidency.

Pat Robertson?

Well, I guaran-damn-tee you Ronald Reagan said it.

But since you go back 82 Years, that would mean that the last one before him would be FDR.

Dwight D Eisenhower, my hero - here is my picture,

http://i47.tinypic.com/20gz8e9.jpg

Definitely not Obama - "You didn't build that, someone else did".