Firearms have a tendency to be a minefield. Concealed/open carry laws varying state to state, a lack of reciprocity between states, and pervasive hoplophobia spell trouble for those that aren’t ever vigilant.
Whether or not you’re local to southern California, Artemis Defense Institute is an incredibly valuable resource for commentary on firearms law and training. They have a blog that covers current events regarding 2A law.
If you’re trying to navigate traveling to other states, Legal Heat is a wonderful resource that covers firearms transportation laws.
For women, and especially those in western Washington, Women and Guns is a fantastic resource for firearms training and self defense.