Serena’s training goes beyond tennis

DOHA — Serena Williams’s bid to reclaim the world No1 ranking in Doha this week may be boosted by a French connection that has been helping her recover from an upsetting start to the year. Williams seemed unusually alert and fresh in Doha after arriving in the Gulf on Saturday night, until it emerged she had crossed only the two time zones from Paris — and not the eight from her Florida home. This suggests some or most of her...