Ginger Zee tracks the severe storms in the Northeast that have more than 60 million under alerts for dangerous thunderstorms, large hail and damaging winds, and Melissa Adan has details on the Los Angeles warehouse fire burning for nearly a week that has triggered air quality concerns; Aaron Katersky reports on the ransom note sent shortly after Nancy Guthrie was taken from her home that claimed she died after her abduction, sources familiar with the investigation told ABC News; as tributes