Welcome to "Word Routes," a new column where your fearless editor will chart a course through a sea of words. We'll be looking at how new words emerge on the scene and how older ones have changed over time. Think of it as a series of dispatches from the frontlines of our dynamic and ever-shifting language. Often we'll focus on a single word or phrase and tease apart the layers of meaning and usage, with the Visual Thesaurus wordmaps providing special insight. First up is a word near and dear to my heart: procrastination.  Continue reading...