roughly 3 million americans don t have power. roughly 1 million don t have running water. for many in puerto rico it seems like hurricane maria hit just yesterday for the level of destruction still plaguing the island. if this was texas or louisiana, this would be more attention, perhaps, more outrageous from the media as well and certainly more government relief in place. four weeks to the day after maria made landfall on the island, almost 3.5 americans are still facing a humanitarian night mayor. where the stakes can be life and death. cnn s bill weir tonight has more. reporter: as dawn brings maria s one-month anniversary, we head out of san juan by air and low to the ground. terrain, terrain, pull up. pull up. reporter: all the better to see the mud slides, broken bridges, shattered homes. we pass one of the biggest radio telescopes in the world, but we re looking for intelligent signs of life in the western