This is an odd piece. Thirty years ago a transfer student joins a cohort of 2000. 25 members of the cohort have no recollection of the student. Quotes start like "So I hung out with many black students..." that are reminiscent of that old saw "My Black friend says..." Other quotes end "...I knew everyone. But I never saw him around." Yes I am sure you were the BWOC, but you knew everyone? Or could it be that jews (see how I failed to capitalize they way blacks isn't) that decided to settle in Isreal is a fairly self-selected group with particular interests that may not have brought them into contact with young Obama?
EU's Mogherini in Tehran to talk nuclear deal, regional issues (Reuters)
from the article: Obama's Israeli Columbia classmates don't recall the young president