Prayer can feel mysteriously difficult, boringly perfunctory and frustratingly out of our control. Often prayer brings us comfort, but sometimes, especially when there aren't easy resolutions or prayers go unanswered, it intensifies and focuses our sense of longing, pain and care. And often God uses our times of darkness and desperation to awaken our hearts to the ache within us--and the cries of those suffering around us. Prayer is all about coming...