Serena Williams, of the United States, waves to the crowd after losing 6-4, 6-0 to Emma Raducanu, of Britain, during the Western & Southern Open tennis tournament Tuesday in Mason, Ohio. (AP Photo/Aaron Doster)
By MITCH STACY AP Sports Writer MASON, Ohio (AP) — The second stop on Serena Williams’ farewell tour was a short one. The 40-year-old Williams…