Apple's 5W European USB power adapter. Apple has recalled adapter plugs sold with older iPhones amid concerns they might overheat. "In rare cases," Apple warns, the 5W European USB power adapter "may overheat and pose a safety risk." The adapter for European two-prong power sockets comes with the iPhone, and is also sold as a separate accessory. According to Apple, the only plugs with a problem are those that were sold with the iPhone 3GS , iPhone 4 and iPhone 4S between October 2009 and September 2012. A redesigned version comes with more recent phones. If you have one of the older, potentially defective adapters, Apple will swap it for one of the redesigned versions. Once they've verified your phone's serial number they will swap the old adapter for a new one, and dispose of the offending article in...