Great article here that anyone running a blog *really* ought to read...
Many of these laws apply to regular websites as well -- so EVERYONE here should read this!
The 12 Laws cover the following:
Whether to disclose paid posts
Is deep linking legal
The legal use of images and thumbnails (pertains to regular sites as well!)
Laws that protect you from stolen content (Happens on blogs and standard sites)
Domain name trademark issues (a LOT of real estate websites violate this one...)
Handling private data about your readers (would hold true for website generated prospect lists...)
Who owns user-developed content and can you delete it
Duty to monitor your blog comments, and liability
Basic tax law issues in blogging
Limited liability laws and incorporating
Spam laws and which unsolicited emails are legal
Are blogger protected from journalism shield laws