Source: Scott Pelley / CBS News This week, CBS Evening News has visited all three sites of the 9/11 attacks. On Friday, it reported from what has been known as Ground Zero. But after a commemoration Sunday, it may be known by its new name — the National September 11th Memorial. Anchor Scott Pelley went down for an early look at the magnificent centerpiece. Two granite pools with waterfalls spread out across the World Trade Center plaza — one for [...]