By Saqib Iqbal Ahmed NEW YORK (Reuters) – The Federal Reserve’s dovish December pivot has boosted the case for the weakening dollar to keep falling into 2024, though strength in the U.S. economy could limit the greenback’s decline. After soaring to a two-decade high on the back of the Fed’s rate hikes in 2022, the U.S. currency has been largely range-bound this year on the back of resilient U.S. growth and the central bank’s vow to keep borrowing costs elevated. Last week’s Fed meeting marked an unexpected shift, after Chairman Jerome Powell said the historic monetary policy tightening that br…