TOKYO—An American finished atop the podium in the women’s Olympic gymnastics all-around, just like always. Sunisa Lee became the fifth straight American woman to claim the Olympic title on Thursday, edging Rebeca Andrade of Brazil in an entertaining and hotly contested final while defending champion Simone Biles watched from the stands. Lee’s total of 57.433 points was just enough to top Andrade, who earned the first gymnastics all-around medal by a Latin American athlete but missed out on gold when she stepped out of bounds twice during her floor routine. Russian gymnast Angelina Melnikova earned bronze two days after leading Russian Olympic Committee (ROC) to gold in the team final. Lee and the Americans earned a silver in that event, one in which Biles withdrew after one rotation when she decided she was not mentally prepared to compete. Biles opted to pull out of the all-around final, too, leading to …