Amendment was enacted to exactly defend oneself against the tyranny of government.
Citizens are required to defy any order Obama might make.
I once said that to a liberal neighbor at a Christmas party. He started swearing, stomped his feet, called me a fascist and stomped out of the room.
When my neighbor returned he ranted about the thousands of people killed by guns and told me our benevolent government was harmless. I then reminded him of Hitler, Stalin, Mao and Pol Pot and the results of an unarmed populace. His head nearly exploded and he started screaming at me.
Facts are the enemy of liberals...