When reader Stuart bought his Motorola Razr V3XX, he was pleased with the phone but could not understand why the tiny flap covering the charger port was held in place by only 2 fragile plastic hinges. As if channeling the spirit of Nostradamus, Stuart made a startling prediction: This flimsy flap will fail. And it did. Twice. The first time, Motorola happily sent Stuart a new flap. But when the flap failed again 8 months later, Motorola unleashed a volley of red tape that left Stuart stuck. Stuart’s letter and Motorola’s response inside…