Okay, here's some excellent news: You can now carry a concealed weapon in a national park [1]. So when I'm hiking in Muir Woods or the GGNRA, I can look forward to running into a gun toter. I hope my dog doesn't pee on his leg.
Links:
[1] http://www.sfgate.com/cgi-bin/blogs/inmarin/detail?entry_id=57665