San Francisco has halted "non-essential" group events at city-owned venues for two weeks due to the rapid spread of the coronavirus. The city order, signed by S.F. Health Officer Tomas Aragon on Saturday, includes City Hall, the Moscone Center, the Bill Graham Civic Auditorium, the New Conservatory Theatre, the War Memorial and Performing Arts Center, the Palace of Fine Arts Theatre, the San Francisco Public Library and Pier 27 and Pier 35. The San Francisco Unified School District also announced...