Leftists Protesting My Right to Self-Defense!

Will someone,  anyone, please explain to me why the Leftist Democrats are out protesting against Our right to self-defense. This is the craziest notion I've ever seen from these Left wing nut crazies. So I'm suppose to allow myself or my family to be attacked by thugs and 'hope' one doesn't kill me? Is that their fucked up reasoning here? Someone who voted for Obama and supports his Leftist concept of justice MUST explain this to me before I go nuts. I don't even know this country anymore!