Xperia ion, the first LTE smartphone from Sony, was introduced today at the 2012 International CES and will be available exclusively in the U.S. from AT&T in the second quarter. Xperia ion from Sony enables easy connectivity with multiple screens for consumers looking to share and enjoy content on whichever screen they choose, whether it’s TV, smartphone, laptop or tablet. Xperia ion from Sony has a stunning 4.6-inch HD display (1280 X 720 pixels) that provides a visual brilliance for superior viewing experiences. For photo enthusiasts, Xperia ion features a new Fast Capture innovation to make sure life’s unexpected moments are not missed: the HD camera goes from standby mode…