LennStar - I think I mislead you earlier, when I focused on artillery and didn't mention other targets in Russia. To me, each reason Biden gives for not unshackling Ukraine is flawed. Months ago he was asked about it, and mentioned not wanting Ukraine to attack Moscow. He could simply unshackle Ukraine except for Moscow - his point didn't make sense. And a couple weeks ago, the Biden Administration said Russia's artillery would just be moved back, so lifting restrictions wouldn't matter. But that would place artillery out of effective range. That was what I recalled from that specific conversation, but there was much more that I didn't recall/mention.
Russia also has bombers located within range of Ukraine's artillery, and those are prime targets. When Biden was considering lifting Ukraine's restrictions, Russia moved its planes out of range. There are various military targets in Russia that Ukraine could hit were restrictions lifted. Ideally, those restrictions would be lifted secretly, and Russia would discover it during a surprise attack.
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Radagast - It's a bit odd to favor North Korea's military exports over any European country. The U.S. is largest arms exporter in the world - followed by France (11%). After China (5%), you have Germany (4%), Italy (4%), and Spain (3%). Not sure if you include the UK (3%) or not, but European countries are significant arms exporters. A country that wanted to receive weapons would be better served by allying with a major European power, instead of North Korea.