I would suggest he follows Axelrod, Jarrett, Ayres, Sustein, and such, and follows his Religion, which is a Sect of Progressive Ideology. Certainly 20 years under the preaching of Rev. Wright might be in the mix, and I believe that Church is one of Black Liberation Theology, with is Marxist, at its root. I believe the founder was a Marxist. The leadership lies with them, and not him.
As to modus operandi, however that is spelled, Alinsky seems the priest, there.