Obamas invite racist to WH

Post-racial, my ass:

http://www.examiner.com/political-buzz-in-orlando/why-michelle-obama-s-white-house-invite-to-controversial-rapper-common-matters

What part of SHALL NOT BE INFRINGED do you not understand?
The part where it expilcitly states that each individual person can own a weapon for themselves. Point that part out to me. Oh, nevermind. You can't!