Now that the wireless industry's second-quarter earnings season has wrapped up, it's time to take a look at how the top U.S. wireless operators compared to one another. FierceWireless partner Jackdaw Research analyst Jan Dawson has assembled 13 slides that provide an in-depth look at how Verizon Wireless (NYSE: VZ), AT&T Mobility (NYSE: T), Sprint (NYSE: S) and T-Mobile US performed in the second quarter. Read more