It was bound to happen. If you insist on 10,000 debates in a four or five month period, you are going to cover every policy difference, philosophical difference, and tonal difference. It's all over but the shouting, as they say.
And that's what we got tonight with the Democrats' debate in South Carolina: the shouting. Barack Obama and Hillary Clinton traded so many jabs and talked over each other so many times that it's hard to remember any one line—the only thing that sticks in the mind, just half an hour later, is the sound of constant squabbling.
And it's bad for the Democratic Party. Every time the Democratic candidates launch attacks on each other, they provide the eventual Republican nominee with ammunition. Not to mention the fact that they obscure their strengths and highlight their weaknesses.
The media coverage is already all about "tensions flaring." Immediately after the debate ended, Anderson Cooper started reshowing the debate's contentious moments. I'm not going to recap any of them here—you can read about them elsewhere or see them on YouTube, but suffice to say, they were simply sharper versions of what you have already heard.
Two moments of actual substance: