An unemployment report released on Friday showed a loss of 92,000 jobs in February, and that, in turn, caused an increase in the unemployment rate to 4.4%. After a report last month had shown a decline here, it wasn't the news millions of Americans were waiting for. But it could have a broad impact, even in the mortgage interest rate climate. A rise in unemployment  could be the trigger the Federal Reserve needs to issue another interest rate cut , if not at its meeting this month, then at its