There are no red lines for Russia. This concept fell apart after Ukrainian defenders began to control part of the Kursk region, stated Ukrainian President Volodymyr Zelenskyy. According to him, if most countries in the world had heard about Ukraine’s plans to carry out an operation in the Kursk region a few months ago, they would have said it was crossing the “reddest” of all Russia’s red lines. Therefore, as Zelenskyy added, no one heard about Ukraine’s preparations for such actions. Now, the success of Ukrainian forces speaks for itself: the inability of Russian President Vladimir Putin to d…