Was Barack Obama a Foreign Exchange Student?

At IBD, "Former Classmate Speculates About Obama Applying for Foreign Student Aid."

Read it at the link, and here's this from The Donald:

An 'extremely credible source' has called my office & told me that @barackobama applied to Occidental as a foreign student--think about it!
— Donald J. Trump (@realDonaldTrump) August 6, 2012

Also from Wayne Allen Root, at The Blaze, "OBAMA’S COLLEGE CLASSMATE: ‘THE OBAMA SCANDAL IS AT COLUMBIA’."

Hey, inquiring minds want to know.