Live Blog: The Second U.S. Presidential Debate

Question 10: Woman asks next President Obama what his administration has done to limit the availability of assault weapons such as AK-47s.

Obama says his belief is that the nation has to enforce the laws it already has, make sure it's keeping guns out of hands of criminals and the mentally ill, but he says he also shares the belief that weapons designed for soldiers in war theaters don't belong on the nation's streets.

He says he wants a broader conversation on how to reduce violence generally, and that part of it is introducing an assault weapons ban, but also what can the nation do to intervene to make sure young people have opportunity and that schools are working. He says he wants a comprehensive strategy.

Romney says he does not agree with introducing new gun laws.

Romney says the nation can make changes to bring people away from violence. Romney raises the issue of the heavily-criticized Fast and Furious operation designed to track weapons used by drug traffickers.

Romney says he would like to understand whose idea this was and why it led to the violence.