This is not a good move. As the article says:
I think the larger truth that Monks was getting at is that politicians generally make lousy board members. Investors invariably view such appointments as, well, political, and not necessarily in their best interests. Shareholder activist Nell Minow, editor of The Corporate Library, points out an additional problem with politicans: The worlds of politics and business, while they're intertwined, are quite different. And in business, politicians "don't know what they don't know," says Minow.
Corporate Governance pundits have already taken issue with Apple's board. I don't think adding Gore is any improvement.