I'll give you my gun when you pry it from my cold, dead hands!

Every atrocity committed throughout history was done by armed troops / people against unarmed people. How has this not sunk into some people yet?

http://warriortimes.com/2011/04/24/what-happens-when-governments-disarm-their-citizens/

You have some serious paranoia if you think the U.S. government has any chance of breaking the constitution and rounding up 400 million guns from American citizens.