Apple (NASDAQ:AAPL) CEO Steve Jobs is expected to take the wraps off the next version of the iPhone June 7. The biggest question surrounding the event is whether AT&T Mobility (NYSE:T) will lose its exclusive rights to the smartphone. Since the iPhone launched in 2007 there has been a seemingly constant stream of rumors and speculation on whether Apple will expand U.S. distribution of the device--as the company has since done in most of its overseas iPhone markets. Here's a roundup of some of the rumors that have been floating around recently for or against AT&T keeping its exclusive hold on the iPhone. Special feature. Also, don't forget to vote on the issue. Finally, make sure to stay tuned for our coverage of the expected June 7 unveiling of the next-generation iPhone here.