Watch for falling margins, AT&T and Verizon warn

While both Verizon Wireless (NYSE: VZ) and AT&T Mobility (NYSE: T) have warned their shareholders to expect declining margins in the fourth quarter, analysts don't necessarily believe the wireless business is going to hell in a handbasket. FierceWireless' Phil Goldstein takes a deep dive into the two giants' dichotomous message in this column.