G.M. Will Restart Cruise Taxi Service

G.M. Will Restart Cruise Taxi Service

General Motors said the self-driving division’s cars will operate in Dallas, Houston and Phoenix after an accident last year. Human drivers will supervise the cars.
Executives Depart Cassava, Maker of Disputed Alzheimer’s Drug

Executives Depart Cassava, Maker of Disputed Alzheimer’s Drug

The chief executive and a lead scientist stepped down weeks after a federal grand jury filed fraud charges against a research collaborator.