"
So, we can throw out the rest of the Bill of Rights, whenever it seems like a useful thing to do."

I didn't say that, and you KNOW that's a straw man....

"...what law can you pass that would keep him from getting one?" Oh, the tempation to tell you!

I can't pass ANY law that would make a difference...and neither can anyone else as long as NRA scare tactics makes us (US type 'us') willing to just accept a few hundred deaths & injuries every year as the price for this 'freedom' for average guys to keep dangerous toys.