SAN FRANCISCO — Google on Wednesday said it is providing artificial intelligence tools to help the National Guard analyze images of disaster areas so it can respond to them faster and more effectively.Bellwether, a new group inside “X,” the innovation lab that is part of Google’s parent company Alphabet, has developed tech that can ingest photos taken at an angle by airplanes, compare them with satellite imagery and maps, and automatically identify locations, roads, buildings and other important...