The line between iPad and MacBook may get a little more blurred this year. Bloomberg reports that Apple is working on a touchscreen MacBook Pro with OLED screen to be released by the end of 2026. It's a product I never expected to see anytime soon. For the past 15 years, Apple executives have publicly dismissed the idea of putting touchscreens on a MacBook, saying it would be uncomfortable to operate. Steve Jobs told a crowd at an Apple event that the company did "tons of user testing" on putting touchscreens on MacBooks and decided against it because, he said, "It doesn't work. It's ergonomically terrible." While previewing Mac OS X Lion in 2010, Jobs explained the main issue was comfort, saying, "After a short period of time you start to fatigue, and after an extended period of time your arm wants to fall off." So if Bloomberg's reporting is correct, certainly someone at Apple believes differently now.…