When L.A. Noire ships for PlayStation 3 next month, the game will include an exclusive mission called "Consul's Car Traffic Case." Details about the mission are not known. A Rockstar representative said they'll have more information coming soon. Separate case missions are also available to those who pre-order the game at participating Walmart stores called "A Slip of the Tongue" and at GameStop called "The Naked City" for both PS3 and Xbox 360...