He's got a point here. US's feeding North Korea more than anyone else (with possible exception of China).

[trolling mode on]
Or it could also be that US is so afraid of North Korean nuclear weapons that it's willing to give food to them so they wouldn't attack.
[trolling mode off]

Seriously though, I think that the only thing that's stopping US from invading North Korea is a military defense pact signed between North Korea and China.