Dalilah Muhammad Set the Standard for Hurdling. Now She Looks to Defend Her Gold.

By BY BEDEL SAGET, LARRY BUCHANAN, PAULA CEBALLOS DELGADO, KARTHIK PATANJALI, EMILY RHYNE, NOAH THROOP, JOE WARD, JEREMY WHITE, UMI SYAM AND AARON BYRD from NYT Sports Muhammad, 31, lost her world record at the U.S. Olympic trials. She will face a field packed with talent as she tries to remain on top.https://nyti.ms/3kK073M