Welcome to the new new iPad, same as the old new iPad. Well, mostly, anyway. It was less than eight months ago that Apple grafted a Retina display onto its world-conquering tablet, giving every other slate on the market resolution envy, while enchanting gadget lovers with world-class performance and battery life. Now, it's obsolete. Put out to pasture just as it was hitting its stride and replaced by this, the fourth-generation iPad -- still just called "new iPad." Other than a Lightning connector on the bottom it's visuall
