Why is AT&T trying to get in on the Vodafone Verizon deal?

According to the Financial Times’ Alphaville blog, Dow components Verizon Communications (NYSE: VZ  ) and AT&T (NYSE: T  ) are together mulling the acquisition and subsequent breakup of Vodafone (NASDAQ: VOD  ) . According to the report, a potential offer would award Vodafone shares a 40% premium to their current price in a transaction with…