This week marked the 40th anniversary of the breakthrough TV program Sesame Street. I’ve written before about some of the many lessons you can learn from this cultural icon, but today I’m going to zero in something new. You might have an Elmo blog, a Cookie Monster blog, or a Big Bird blog. (How you define those is up to you.) But some of the smartest and most successful bloggers out there bear more in common with the show’s least-likeable character: Oscar the Grouch. Oscar was an important character from the show’s beginning, and on the surface he doesn’t seem to quite fit in.

