August 6, 2013 (La Mesa) – The Grossmont Healthcare District’s Dr. William C. Herrick Community Health Care Library, located at 9001 Wakarusa St. in La Mesa, will host a free senior discussion group presentation on “Emergency Preparedness” from 10 to 11 a.m. on Wednesday, August 28.  The public is invited to attend, and an RSVP is not required.