Greater Greater Washington is hosting a free blogging session on January 11th in Tysons starting at 6 pm. I have written a few articles for them; however, I can't cover everything, say like the I-66 HOT Lanes debacle. It's a great group of volunteers.
More info here:
http://greatergreaterwashington.org/post/29115/want-to-write-great-blog-posts-well-teach-you-how-at-a-session-in-tysons/