in the key 2024 battle ground state of iowa. he has an event soon putting his presidential ambitions very much in the spotlight just days before donald trump campaigns in the state. this as trump has been invited to appear before a grand jury investigating his alleged role in covering up hush money payments to adult film star stormy daniels. the move signaling a decision whether to charge trump may happen soon. welcome to our viewers here in the united states and around the world. i m wolf f bblitzer. you re the situation room. we begin with a historic collapse of a california bank. u.s. stock prices sliding amid questions about whether this is an isolated case or a sign of things to come. cnn s chief white house correspondent phil mattingly is following the story for us along with mark and our own matt edgen matt, first to you, how serious is this bank collapse? reporter: stunning collapse. silicon valley bank may not be a household name but it has more than $200 bil