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Russia's military has a a body of sound doctrine to govern its operations, but it hasn't adhered to them in Ukraine. Musa Sadulayev/AP PhotoRussia's huge cost in invading Ukraine is fallout for not following its own military doctrine. Russian commanders have frequently erred on the basics of military operations, a RAND expert said.

The AI boom has shades of the dot-com bubble but might be even more dangerous. Johannes Eisele/AFP via Getty ImagesThe AI frenzy has shades of dot-com mania but with one big, dangerous difference. Professor Erik Gordon noted internet startups had far fewer investors than Big Tech does now. Companies like Nvidia are huge and make money, but if they do crash there'll be sweeping fallout.

Debra Crockett retired early in the US and moved to Turkey. Debra CrockettDebra Crockett decided to retire early eight years ago and moved from the US to Turkey. Her Social Security checks are enough to cover her basic monthly expenses given the strength of the US dollar. She said moving abroad was the best financial decision she made for her retirement.

People tend to accumulate things like mugs, spices, and bags in their kitchens. Justin Lambert/Getty ImagesI help my clients get rid of things they don't need or use anymore. Kitchens can be a big source of stress and clutter. People can collect things like mugs and spices that they don't use for years.

Disney+ never aired an episode of "Bluey" that is about pregnancy. And it never explained why. Getty Images"Bluey" was the second-most streamed show in America last year. It is carried by Disney+. But Disney has refused to air one of its episodes, called "Dad Baby," which is about pregnancy. So its Australian distributor has released it on YouTube for free.