The U.S. dollar strengthened to a two-month high above the 159 yen line in Tokyo on Friday after comments from a Federal Reserve official reduced expectations that the central bank will cut interest rates soon. The rise came after the official expressed the view that U.S. inflation could remain above the central bank’s 2 percent target for another one to two years. Investors have been selling the yen for the dollar amid a wide interest rate differential between Japan and the United States. At 3 p.m., the dollar fetched 158.95-98 yen compared with 158.90-159.00 yen in New York and 158.27-28 yen…