Lots of legitimate arguments for guns. Even more legitimate are the arguments against the use of guns. Let's look at statistics...
You're more likely to be killed by your own gun by a family member or intruder than you are likely to kill an intruder in your own home.
Personally, I like to minimize risk.
Let's look at another reality behind gun ownership... and this applies to members of law enforcement as well. If you carry a gun, you're much more likely to convince yourself someone else also has a gun...
Food for thought.