i would hope that if someone pulled a gun on me, there would be people around to jump in and tackle the guy or something. normally, people just pull a gun out and shoot someone for no reason.
and it doesnt make me feel good knowing everyone is carrying a gun.... will it make a robber think twice about robbing.. maybe, but if the public would actually step in when people around them need it..it wouldn't matter if we had guns or not.
if i get a flat tire, i'd hope someone pulled over... do they? not really
if i get into a fight with some chick in a mall... are guys going to step in and stop it? not so much
if someone trys to rob me in a store.. are YOU going to chase him down? ahh you tell me?