Those should be easy enough to verify. And wouldn't it be nice just to see a yearbook picture of him from Columbia and Harvard? I sure can't find any. What is the harm in showing a yearbook picture?? Just asking.
This is from the HLS yearbook:
Presumably, there's also a picture of him in their like everybody else, but I couldn't find it on the Internet.
This is the Harvard Law Review staff photo:
Some people say it's fake because of the shadows on Obama, but that's to be expected. Still, nobody can seriously claim that Obama wasn't a student at Harvard Law.
For the record here's a page from his high school yearbook:
Don't know about Columbia. Some transfer students think it's cool not to have their picture taken.