NEW YORK, Sept. 10 (Xinhua) -- Britain's Emma Raducanu made history here on Thursday by crushing world No.18 Maria Sakkari of Greece 6-1, 6-4 in the women's singles semifinals of the U.S. Open. With the victory, Raducanu ranked just No. 150 in the world, becomes the first qualifier to reach a Grand Slam final in Open era history. "Is there any expectation?" Raducanu asked the crowd after the game. "I'm a