"In sheer size, I cannot remember anything like this," NBC's Brian Williams says on MSNBC.com. "In emotion, it does remind me of two other events I have covered: The fall of the Berlin Wall and the initial day after when Easterners were first exploring the West and vice versa; and Election Day in South Africa. All of the people share the sense of the weight of the moment. It is reverential, it is respectful, it is peaceful."