Another group of small regional carriers has announced that they will be launching the iPhone 4 and iPhone 4S on May 18. Bluegrass Cellular of Kentucky, Golden State Cellular of California, and Nex-Tech Wireless of Kansas — all CDMA carriers, incidentally — have all announced plans to launch the iPhone on that day. As noted by MacRumors, all three carriers are expected to offer the iPhone for $50 off the standard price as set by Apple…
