WASHINGTON (AP) — The night of smoke, chaos, gunfire and grenades that killed four Americans in Benghazi, Libya, is well-documented. Eight months later, it is the decisions made back in Washington that remain murky and in perpetual dispute.

By Ann Saphir and Jonathan Spicer (Reuters) - The beginning of the end of the Federal Reserve's massive bond-buying program might come sooner than many investors think if recent gains in the U.S. labor market do not prove fleeting. Much will depend on how economic data, which has given mixed signals for growth prospects, develops over the next few months. Reports on job growth in particular will go a long way in helping Fed officials determine whether the time is right to trim the pace of their $85 billion in monthly purchases. The marked improvement in the labor market since the U.S. ...