Apple CEO Tim Cook is taking the fight over its control of the App Store to Europe.Justin Sullivan/Getty ImagesCourts and regulators around the world are trying to get Apple to open up its App Store.Apple hates that idea, so it's trying to blunt those efforts every way it can.The newest fight is in the European Union over "sideloading" apps.European regulators say Apple needs to open up its App Store, and a new law that goes into effect in March is supposed to make that happen.Apple's response?Obey the law, but in a way that makes sure it won't have any practical effect.That's what Apple critics/competitors like Meta and Spotify are telling The Wall Street Journal.