An Apple logo adorns the facade of the downtown Brooklyn Apple store on March 14, 2020, in New York. (AP Photo/Kathy Willens) Apple on Tuesday launched new versions of its iPad Air, enhancing the mid-tier tablet with its M3 chip and artificial intelligence capabilities in a bid to spur upgrades among customers. The revamped lineup starts at $599 for the 11-inch model, and the 13-inch variant at US$799. Pre-orders open Tuesday, with deliveries set to start on March 12. Apple has been equipping its devices with more powerful chips designed to handle AI tasks, such as summoning ChatGPT to answer...