At the time, he just happened to live down the block from domestic terrorist bombers Ayers and Dohrn, who were also part of the Brinks robbery.
http://www.zombietime.com/obama_and_the_weather_underground/
It was just another coincidence, that he once again lived in the same neighborhood as them, later in Chicago. What are the odds, being neighbors a decade apart, in two of the largest cities in this country?
http://www.breitbart.com/big-journalism/2012/06/04/obama-ayers/
Oh, but wait! Dohrn also worked with Moochelle in Chicago, while Barry was working with Ayers on the Annenberg Project.
http://www.cnn.com/2008/POLITICS/10/07/obama.ayers/
but just coincidences...
https://spectator.org/37001_theyre-all-together/