Who knew ... a cool story from Neil Diamond

Seems ol' Neil Diamond found inspiration for his hit "Sweet Caroline," from a photo he saw of Caroline Kennedy way back when the bejeweled singer was a struggling songwriter.

It's an anecdote he vowed never to reveal until he could tell the little lady herself, which he recently did via satellite ... how sweet.

Read the whole story here ...http://www.msnbc.msn.com/id/21898988/