The blues singers like to say that if it wasn’t for bad luck, they’d have no luck at all. Weller Martin and Fonsia Dorsey, two denizens of a cut-rate nursing home, might as well be singing those blues ...

Last March, the top-ranked men’s player, Jannik Sinner, tested positive for clostebol, a banned anabolic agent, twice. The substance was quickly traced to a product that was used to treat a cut ...