The New Republic devotes many columns, of mixed quality, to an autopsy on the Democratic campaign in the US. The best is Noam Scheiber who opens up with:

If you had to summarize the Democratic election strategy in a single sentence–and any more than that would be too generous–it would have been to neutralize the president on the major issues (taxes, the war) and pray that some serendipitous tailwind emerged to push them across the finish line.

Sound familiar?