To celebrate World Habitat Day, hundreds of Habitat For Humanity volunteers gathered in East Oakland, Calif. to build affordable housing -- among them, one former president. Mark Kelly from KPIX-TV ... more 
To celebrate World Habitat Day, hundreds of Habitat For Humanity volunteers gathered in East Oakland, Calif. to build affordable housing -- among them, one former president. Mark Kelly from KPIX-TV reports. less 
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Mon, Oct 7, 2013 5:35 PM EDT