Because you can't?

Pardon my frankness, but it is regrettable to see you commenting this way on matters you obviously know next to nothing about. Instead of making excuses for the USA's continued RESPONSIBILITY and INVOLVEMENT for the violence here and elsewhere or learning from the insight I provide you with you try to make this about something it isn't. Year after year I read the reports from the military and the police forces about the numbers and sources of weapons used in crimes across the nation. Almost the same week the ban on assault weapons was stupidly allowed to expire in the USA we began having police forces ambushed with .50 cal Barretts. An average of a quarter million firearms a year are sold to straw buyers in the USA and allowed to cross the border unimpeded by any U.S. authority.

So please... Shouldn't you be trying to keep your Dear Leader's itchy trigger finger from committing nuclear holocaust and genocide on some poor "sh¡thole country"?