Now that Ukraine is on the offensive in Russia. Now Putin is looking weak. He didn't learn from the Wagner march to Moscow last year and fortify the borders.
—> He didn’t learn from the Wagner march to Moscow last year and fortify the borders.
Russia has a border of almost 14,000 miles.
They know they cannot defend the entire border with 100% protection.
Some attacks will get through. Cost of war.
Ground game goes on.