Fortune has provided additional confirmation of a Verizon iPhone launching in early 2011. In an article profiling Verizon CEO Ivan Seidenberg, Fortune confirms “that a Verizon iPhone will be released in early 2011” and adds that its sources indicate that the first version of the Verizon iPhone will likely be built to run only on CDMA networks rather than being a world phone that can roam internationally. Fortune’s profile of Seidenberg…