"that he may do so";   that is, advocate financial reparations for slavery--which he (Obama) will never do.

Not only does Obama, as a very smart person, realize this would be a disastrous idea politically, but he also realizes it makes no sense and would be impossible to admininister.

It's only one of the last items left in the smear-merchants' storehouse. Smears R Us has fallen on hard times, and it looks like it will be closing soon.