Washington D.C. (AP) — Federal Reserve officials are grappling this week with the timing and scope of their next policy moves at a time when the raging viral pandemic has weakened the U.S. economy. No major changes are likely when the Fed releases a statement Wednesday after its two-day policy meeting ends and just before Chair Jerome Powell holds a news conference. But the central bank is working toward providing more specific guidance on the conditions it would need to see before raising the short-term interest rate it controls, which is now pegged near zero.