Sometimes writing is a real struggle. Ideas refuse to come. Thoughts refuse to coalesce. Sentences or paragraphs refuse to lead to the next. It’s not so much writer’s block or the wall that marathon runners face. It’s much harder to grasp. It’s amorphous like fog – and how do you fight fog? It’s as if the words or ideas are hiding, slipping out of my grasp before I can even pin them down with my keyboard. I take a step…