He was a standard issue community organizer (agitator)/poverty pimp, and maybe gave a few lectures under the guise of constitutional law but in reality had no relation to it. A thorough fraud.
He attended Alinsky’s seminars the Bay Area with financing from the Catholic Church's Lavender Mafia and Liberation Theology proponents under Archbishop Joseph Bernardin.
Saul Alinsky’s son called him the most adept practitioner of the Alinsky’s community organizing techniques in history.
Both he and Michelle joined prestigious Chicago law firms but soon surrendered their law license in Illinois under murky circumstances and allegations of malpractice and misconduct, which is unheard of for Harvard Law School grads.
Obama was politically well connected into the Chicago Democrat Left so he was given a desk and a make work job at University of Chicago Law School.
He taught two or three classes a year from 1992 to 2004 but he was never more than a part time lecturer at University of Chicago Law School.
The closest he ever came to having a formal position at University of Chicago Law School was a "Senior Lecturer" which is a polite term for an adjunct.
Agree to bad many didn’t see his scam elected twice did a lot of damage.