The second ammendment does. Until CA secedes from the Union they'll have to abide by our Constitution.
The up-coming D.C. case will clinch it. Certain things require a national precedent and self defense via individual ownership of arms is one of them. (Abortion is not, but let's not go there).
Correct. It protects the right to keep and bear arms from federal infringement. The states are guided by their state constitutions (which explains why some states protect concealed carry and others don't).
"The up-coming D.C. case will clinch it."
The D.C. case involves a federal law, not a state law. The outcome of that case will only affect federal gun laws.