The first roadblock — AT&T’s contract — is set to expire next year, according to a widely cited 2008 USA Today article that included an interview with chairman Randall Stephenson. (Stephenson declined to comment on the details of the contract.)

The second barrier could also disappear were Apple to build a new iPhone that is compatible with both AT&T and Verizon’s networks.

Last week, AppleInsider reported on rumors that Apple may be doing just that. Its source was a leaked OTR Global report, based on unnamed sources in Apple’s Taiwanese supply chain, that said Apple was making a “worldmode” phone using a new hybrid chip from Qualcomm.

Stay tuned for your up to the minute new on this.

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