This week marks National Fire Prevention Week (and yes, the campaign has a blog). Considering the timing of Friday’s fatal fire in Georgetown, it seemed a good idea to pass on word from the folks at the D.C. area Ace Hardware co-operative (Logan Hardware, Glover Park Hardware, Tenleytown and 5th Street) that they are offering to replace your smoke detector batteries this week for free. Now through Oct. 10, stop by any of the…