It’s day 86 of the BP Oil Disaster — but there’s a good chance you already knew that because the news media have been closely following the situation from way back in April. Well, Andrew Tyndall is sick of it. On the Tyndall Report, he wrote an entry arguing that the national coverage of the situation has gone overboard; enough already!

The passing of Walter Cronkite brings back memories of a time when the CBS Evening News not only dominated the ratings, but the news conversation as a whole. And it turns a light on the current situation at the network, where the newscast sits in a clear third. There are many reasons for this: here’s why the CBS Evening News is struggling in the ratings, how it can turn things around…and why none of it is Katie Couric’s fault.