Washington - When Michelle Obama worked in Mayor Daley's City Hall in the early 1990s, she was "distressed" by how a small group of "white Irish Catholic" families -- the Daleys, the Hynes and the Madigans -- "locked up" power in Illinois. And as she prepared to become first lady, Mrs. Obama naively wanted to delay a move into the White House for six months, so her daughters could finish the school year. Her initial thought was to "commute" to the White House from her South Side home. And Marty Nesbitt, one of President Obama's best friends, had been recruited...