BREAKING: Two American soldiers, civilian interpreter killed in Syria

We begin with breaking news. A deadly attack on US military personnel in Syria. This is new information we've learned within this past hour.Let's bring in right now MS Now senior national security reporter David RH. So David, look, I know there are few details at this early stage, but what have we learned so far about this incident and what American troops are doing there working with Syrian forces. >> Um, this is part of the effort to defeat ISIS in Syria.It's a much smaller presence, but today's shooting ...