South Side mom becomes 'first grandma' You can call it the Camelot effect or maybe it's just that people are nosy. Whatever it is, people can't stop searching for information about the Obama family, not just the immediate first family, but the extended family as well. Once Carol E. Lee at Politico got the scoop that Michelle Obama's mother would be moving to Washington, D.C., searches for "michelle obama's mother" showed up, prompting us to wonder about Marian Robinson -- the new "first grandma" -- and her role in the Obama household. Robinson's main job during Barack Obama's two-year-long campaign...