NEW YORK :Grand Slam Track cancelled its Los Angeles meet on Thursday as the organisers brought the debut season of the novel athletics circuit to an abrupt end after three events. The Michael Johnson-fronted track series lured in top talent with super-sized prize money but saw poor attendance at its kick-off meeting in Kingston, Jamaica, and later cut its third meet in Philadelphia from three to two days. "The decision to conclude the inaugural Grand Slam Track season is not taken lightly, but