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Mr Obama, aware of the criticism he has faced as a result of his moderate appointments, has tossed a bone to the far left. But it does not promise to have much meat on it.
Most importantly, now that he is the Executive, do you think Mr Obama is going to do much to weaken the executive power Mr Bush exercised? No doubt he can think of many good reasons to continue to have a strong executive Branch.
So while his new appointee may believe in restrictions on executive power, it seems unlikely that they will have an impact on the Obama administration.