That's too much of a stretch, to think he could have impetrated recommendations to Harvard Law from professors whose classes he had ditched, and from whose university he had never taken a degree nor, in your telling of it, even matriculated in the first place.
Tall order, FRiend. You might want to take that one back to the shop for more work.
Independent of Obama's having been there or not, Occidental College did have, and still has, a special "conveyor belt" relationship for Lefty students who want careers in the public sphere to transfer to Columbia University so they can claim the more prestigious degree, n/w/s that Occidental is not exactly a slouch academically.
You've seen a transcript? Anything is possible with the Chicago crowd.