When you use Lightroom, do you edit globally or locally? Many (possibly most) people use the global editing sliders liberally when processing an image. But landscape photographer Thomas Heaton‘s most recent video makes a good case for using mostly local adjustments and leaving those global sliders alone. In a video released this past weekend, Heaton shows his viewers how his Lightroom workflow has slowly but surely evolved to include only two or three global adjustments in total. Instead, he recommends…