. . . and an explanation of why will be posted in the next day or two.
However, the senator has performed at least two great services. One of these is set forth in another, earlier post about him that appears below in this blog. In addition, Obama has inoculated whites against spurious charges of racism and thus destroyed, or, at least, seriously limited the ability of those who exploit the racial divide for power and profit to continue manipulating white guilt to their advantage.