TIMELINE-GM's ignition-switch recall crisis

General Motors Co is grappling with a crisis over its decade-long failure to recall cars equipped with faulty ignition switches. The flaw could cause engines to shut off, leading to a sudden loss of power steering and power brakes, and the failure of air bags to deploy in a crash. So far, GM has attributed at least 61 crashes and 16 deaths to switch-related malfunctions. It was only in February of this year that GM finally began recalling 2.6 million Chevrolet Cobalts, Saturn Ions and other olde