Warren has done even less than Obama did when he ran in 2008. Do the ‘Rats not care about a candidates lack of experience? Have they not learned their lesson? Remember when they mocked Sarah Palin’s resume? I JUST DON’T GET IT.
At it's root, it's a religious/psychological disorder.
Liberals aren't looking for a president, they're looking for a messiah --someone who can establish heaven on earth.
Since progressives, in general, are irrational and led by their emotions, a track record can only serve to alienate Democrat voting blocs in the primary. So a cipher, like Obama, with a magnetic personality, good looks, or rhetorical skill, has the greatest chance of success.
Recent examples are Howard Dean and Zero.