Revoke their citizenship?

Some Congresscritter from Georgia thinks it would be a good idea to strip US citizenship from turncoats like John Walker Lindh.
I agree. But I think it should be stripped from them by lethal injection, or gas chamber, or electrocution, or hanging, or being shot in the back of the head with a large-calibre pistol. Not by some obscure law that will probably be honored more in the breach than in the observance (like the Logan Act).
The penalty for betraying your fellow citizens should be DEATH. What part of this do our representatives, senators, Presidents, and judges not understand?

I leave you tonight with this little mystery

If I hadn’t seen this on Fox this afternoon, I wouldn’t have even known about it. Fox has nothing on their website about it at all.
Apparently an Aeroflot 767 landed today at JFK at around 2PM EDT, and was met by FBI, Customs, and Port Authority police who boarded the plane looking for radioactive material.
Google News found articles here, here, and here. Nothing in US media at all, apparently. Wait, here’s one from WABC in New York. Searches at Fox, CNN, and PMSNBC came up negative.
Who’s trying to cover this up?