A student holds a sign at San Luis Obispo High School as part of the National Walkout for Gun Safety on March 14.
A student holds a sign at San Luis Obispo High School as part of the National Walkout for Gun Safety on March 14. Joe Johnston jjohnston@thetribunenews.com
A student holds a sign at San Luis Obispo High School as part of the National Walkout for Gun Safety on March 14. Joe Johnston jjohnston@thetribunenews.com