Apple's iPhone 5S and 5C have been on the market just seven weeks, but talk has already begun of what the Cupertino, Calif., company may have lined up for 2014's fall schedule.On Sunday, the Bloomberg news service reported that Apple is designing and developing a pair of larger-sized iPhones that rely on curved screens similar to the one used in the Galaxy Round that Samsung debuted in its home country of South Korea last month.Several weeks later, LG int