Here I am tempting fate. Risking my life. Writing a blog post. Bloggers are living on the edge, suggests Matt Richtel. It's harrowing having to come up with all those ideas and translate them into words. The hunger for cyber scoops robs them of sleep. The endless hunt for eyeballs is a merciless slog. The consequences can be dire: Two bloggers have died of heart attacks recently and a third had a close call. Three out of -- I don't know, 14 million or so. You do the numbers.