By Jonathan Stempel NEW YORK (Reuters) - What would you do if you got your hands on a closely watched report that often moves stocks, bonds and currency markets, and it was sent to you by the Federal Reserve the day before its official release? Would you trade on the information it contained? If you did, would that be insider trading? Some bank employees were faced with that dilemma on Tuesday when a member of the Fed's congressional liaison office accidentally sent emails to more than 100 people with the normally closely guarded minutes of the Fed's March 19-20 policy meeting, 24 hours before ...