The FBI asked for the public’s help Monday in identifying people who have severed underground fiber-optic cables throughout the Bay Area. Over the past year, vandals have used tools to intentionally cut the cables in Berkeley, Fremont, Alamo, Walnut Creek and San Jose in 10 separate incidents, most of which happened in the middle of the night, said FBI Special Agent Greg Wuthrich. The cost of the damage was not discosed. The FBI is coordinating the investigation, which involves several local law enforcement agencies, Wuthrich said. The cases are not related to a mysterious rifle attack on a Pacific Gas...