A claim about Barack Obama's college thesis originally published on a site called Jumping in Pools and repeated on Pajamas Media site has been proved false.  Joe Klein from Time has written:
A report is circulating among the wingnuts that I had a peek at Barack Obama's senior thesis. It is completely false. I've never seen Obama's thesis. I have no idea where this report comes from--but I can assure you that it's complete nonsense.
Still, it's important to note that none of this nonsense would be running wild around the internet if the campaign had just released Obama's thesis in the first place.  The subject is also especially poignant given that Democrat Creigh Deeds' Virginia gubernatorial race has recently hinged his own success on exploiting Republican Bob McDonnell's thesis...