What Would Happen if the Dems Win?

Supposing the dems win, and win solidly, taking firm control of the government for a while into the future, what might happen?

Just a sample: 

http://www.nraila.org/CurrentLegislation/Read.aspx?ID=2355

"More importantly, it makes no exception for the use of a firearm for self-defense."

So I guess if some guy breaks into your home, it would be illegal to shoot him. 

>>5
I don't think those cities necessarily have high crime rates due to being anti-gun, rather they are anti-gun due to the high crime rate.  Well, the violent crime rate at least, as much of that is gangbangers killing other gangbangers.  Not a big loss really.