May 30: Nine hurt in boardwalk shooting. Race to finalize debt ceiling deal. Cruise ship chaos. Mystery in Venice.

<p>At least nine people injured including four minors during a mass shooting near a popular beach in Florida. Also, President Biden and House Speaker Kevin McCarthy racing to lock-up support for their debt ceiling deal. Plus,  thousands of passengers in a Carnival cruise frightened after being hit by a violent storm. And, fluorescent green water mystery in the famous Grand Canal in Venice prompts police investigation. </p>