The Republicans are using what they perceive to be their best strategies for obstructing and agenda they disagree with. On balance, they are doing what their constituents elected them to do. Interestingly, they haven't been effective, the Obama administration having gotten passed a good deal of progressive legislation. However, their PR has worked, and most in both parties would say Obama has failed.
The media is just doing what it always does, which is put cheeks in seats. Like television, their entire business model is dependent on delivering it's audience to advertisers–much as we do here in our hubs.