Miami businessman Jerome Berlin, once described as the country's most powerful Democratic fundraisers, died in a murder-suicide this morning at the Signature Grand, the huge and popular Davie banquet hall in Davie that he owned with partner Michael Pecora. Police say Pecora is the other person found dead in a second floor office of the hall. An employee reported hearing a loud argument, then three gunshots behind the locked door. The shooting occurred following a loud argument while hundreds of public school students ate lunch one floor below. Police broke in and found two white males -- a part of...