US women win relays in upset, while men flounder againThe U.S. women pulled a shocking upset in the 4-by-100 relay at world championships while the men finished second after a sloppy baton exchange that has become a ritual for that star-crossed team.
ShaโCarri Richardson will miss Olympic 100 after failing marijuana testAmerican champion ShaโCarri Richardson cannot run in the Olympic 100-meter race after testing positive for a chemical found in marijuana.