As early as last year, Apple executives -- including CEO Steve Jobs -- were made aware that the bezel antenna on the iPhone 4 could cause problems, sources tapped by Bloomberg claim. The design team led by Jonathan Ive is said to have submitted several concepts before Jobs and other executives committed to the new antenna, which reduces the bulk of the device. Ruben Caballero, a senior engineer and antenna expert with Apple, is said to have used early planning meetings to warn about the possibility of dropped calls and the major engineeri
