Blog posts as court evidence

What if you're a victim in a car accident caused by a politician? And you blog about the accident and the aftermath? Could your blog posts be used in an attempt to discredit your testimony in any court hearings on the accident?

Edward Prisby reports on what happened when his blog posts came up during a hearing on whether to bring drunk-driving charges against Cambridge City Councilor Anthony Galluccio (no charges were brought) - and why that made him stop blogging for awhile:

... I hadn't been very careful about what I was writing, and I consider myself a pretty careful person. That revelation was genuinely frightening. ...