Will Barack Obama's presidential candidacy serve his state and city by finally drawing national attention to the sleazy and corrupt politics of Illinois and Chicago? It is all about context. The presumptive Democratic presidential candidate's politics were born in Chicago. Yet he is presented to the nation as not truly being of this place, as if he floats just above the political corruption here, uninfected, untouched by the stain of it or by any sin of commission or omission. It is all so very mystical. Perhaps viewing Obama as a Chicago political creature would conflict with the established national media...