Good morning, Bay Area. Top of the news this morning is the catastrophic accident in Maryland involving the collapse of Baltimore’s Francis Scott Key Bridge after being struck by a large container ship. Police are treating the infrastructure disaster as a mass-casualty incident. In other national news, Florida Gov. Ron DeSantis signed legislation Monday that prohibits people under 14 years of age from having social-media accounts, regardless of parental consent. Under the law, social-media companies…