American teenager Madison Keys showed her youth late in her second-ever match at a Grand Slam tournament, repeatedly blowing leads in a loss to 27th-seeded Lucie Safarova at the U.S. Open. The 24-year-old Safarova won 3-6, 7-5, 6-4 on Wednesday to reach the third round. The 16-year-old Keys was the youngest player since 2005 to win a match at Flushing Meadows and at No. More...