Complex sentence: The 50 states and the District of Columbia will compete for the prestigious title and the pageant will be webcast on Xbox Live and will be viewable on Microsoft's next-generation Xbox console, dubbed the Xbox 720.
Split into simpler sentences: The 50 states and the District of Columbia will compete for the prestigious title and the pageant will be webcast on Xbox Live. It is expected to be viewable on Microsoft's next-generation Xbox console, dubbed the Xbox 720.